-
what is 4% of the human body made up of?
less and trase elements
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What are the four different ways to use radioisotopes?
- medical testing
- cellular tracers
- biochemical analysis
- cancer treatments
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what makes up 96% of the human body?
- carbon
- hydrogen
- oxygen
- nitrogen
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what is considered the universal solvent
water
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what is vital for chemical reactions to take place
water
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how does water keep our body temperature within a normal range
absorbs and releases heat slowly
-
what does water need in order to change states of matter
a lot of energy
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what is a major component of bodily fluids that allow molecule moement and act as a lubicant?
water
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What are fluids outside the cell that contain gases, nurtients, and ions needed to maintain life called?
extracellular
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Where does ECF go to after it circulates throuh the blood and lymphatic vessels
spaces between the cells
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what is ECF called internal environment?
its in constant montion inside the body to maintain homeostasis
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what are extracellular fluids found in the microscopic spaces between cells called?
interstitial
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what is the extracellular fluids found in blood vessels called
plasma
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what is the extracellular fluids found in lymphatic vessels called
lymph
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what is the fluid inside a cell called
intracellular/cytoplasm
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what is it called when substances move across the cell membrane without the use of cellular energy
passive transport
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what are moleucle in solutions constantly moving
kinetic energy
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what is the constant mtotion of molecules affected by
- solute and solvent molecule concentration
- temperature increase, molecular motion increases
- pressures exerted by gravity and other forces
-
what type of transport do molecules move from an are of high to low concentration
passive
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what is it called when substances move across the cell membrane through the use of ATP
active transport
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what type of transport do molecules move from area of low to high concentration
active
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why is ATP good for the body
burns cool
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why is glucose bad for the body
burns hot
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what is ATP need for
- muscle contraction
- protein synthesis
- DNA replication
- membrand transport
-
what is the ration comparison of solute molecules between the cell and its environment called
tonicity
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what is it called when theres lower concentration
hypotonic
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what is it called when theres higher concentration
hypertonic
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what is it called when theres equal concentration
isotonic
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what type of membrane trasonport is the movement of solutes from high to low concentration
simple diffusion
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what type of membrane transport is the movement of fats, oxygen, carbon dioxide through the lipid portion and ions through the protein channel
simple diffusion
-
what type of membrane transport is the simple diffuision with diffusing a substance attached to a lipid-soluble membrane carrier protein
faciliated
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what time of membrane transport is the movement of glucose into cell via a carrier molecule
faciliated diffusion
-
what type of membrane transport is the simple diffuision of water through a selective permeable membrane
osmosis
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what type of membrane transpot is the movement of water into and out of cells via membrane pores
osmosis
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what type of membrane transport is the simple diffusion in which large molecules cannot pass through a small membrane pore but smalll molecules can
dialysis
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what type of membrane transport is the movement of small moeluces through small pores
dialysis
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what type of membrane transport is the movement of water and solutes through a semipermeable membrane from an area of greater to lower hydrostatic pressure gradient
filtration
-
what type of membrane transport is the movement of water, nutrients, and gases through a capillary wall
filtration
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what type of membrane transport uses hydrostatic pressure
filtration
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what type of membrane transport is the movement of a substance through a membrane agaisnt concentration of electrochemical gradient and requires a carrier protein
active transport
-
what type of membrane transprot is the movement of amino acids and most ions acros a cell membrane
active transport
-
what type of membrane transport is the movement of larger molecules and dissolved substances into the cell
endocytosis
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what type of membrane transport is the movement of large external substances into the cell via the membrane enclosures
phagocytosis
-
what type of membrane transport is the movement of large fluid droplet or dissolved substance via membrane enclosures
pinocytosis
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what type of membrane transport occurs in most cells, important for taking in solutes by absorbtion
pinocytosis
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what type of membrane transport has selective endocytosis where external substances bind to membrane receptors and coated pits are formed
receptor-mediated endocytosis
-
what type of membrane transport is a way to take in slected hormones, cholesterol, iron and other molecules
receptor-mediated endocytosis
-
what type of membrane transport is the secretion or ejection of a substance from a cell
exocytosis
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what are the types of passive transport
- simple diffusion
- facilitated
- osmosis
- dialysis
- filtration
-
what are the types of active transport
- endocytosis
- phagocytosis
- pinocytosis
- receptor-mediated endocytosis
- exocytosis
-
what is the process called when DNA makes identical copies of itself to control daughter cells
dna replication
-
what does DNA mean
deoxyribonucleic acid
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what is the process of making new cellular porteins called
protein synthesis
-
what phases does protein synthesis take place
-
what is the process of DNA making RNA and occurs exclusively in the nucleus in the cell called
transcription
-
what is a transcribed copy of direnction form DNA on how to make proteins called
mRNA
-
what are complementary nucelotides read in multiples of 3 that are the transcribed directions called
codons
-
what is a T-shaped molecule that tansfers amino acids found floating freely in the cytoplasm to the ribosome
tRNA
-
what is a sequence of 3 nucleotides that are complementary to 3 nucleotides found on mRNA called
anticodons
-
what is the major structural material of a ribosome, which is the site of protein synthesis
rRNA
-
what is the process of RNA assembling proteins and occurs in the cytoplasm called
translation
-
how does DNA make RNA
transcription
-
how does RNA make proteins
translation
-
how long is the average human protein
100 amino acids
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why are cells made every second of our lives
growth and repair of tissues
-
what are the 3 major phases of a cells life cycle
- interphase
- mitosis
- cytokinesis
-
what is the longest part of the cells life cylce
interphase
-
what phase of the cells cycle is where grows in size
interphase
-
during what phase of a cells life cycle is the cell perfroming its normal day to day functions such as digestion, energy usage, immunity, etc
interphase
-
when does the cell prepare for division by doublign its cell contents and DNA
end of interphase
-
what phase of a cells cycle is the cell process of producing two identical muclei from one nucleus
mitosis
-
what phase of the cells cycle is when DNA condenses into thicker, visible strands of DNA
prophase
-
what phase of the cells cycyle is where the identical DNA copied strands connect via a centromere to form a chomrosome
prophase
-
what phase of the cells cycle is wehre the nucleolus and nuclear membrane disassembel and visually disapper
prophose
-
what phase of the cells life cycle is where the spindle apparatus begins forming from disassembling cytoskeleton
prophase
-
what phase of a cells cycle is where chromosomes are moved along spindle fibers to the middle of the cell
metaphase
-
what phase of the cells cycle is where centromeres split dividing the indentical copies of DNA to each end or pole of the cell
anaphase
-
what phase of the cells cycle are where chromosomes being to uncoil allowing protein synthesis to occur agian
telephase
-
what phase of the cells cycle is where the nucleolus and nuclear membrane reassemble and vissually reapper
telephase
-
what phase of the cells cycle is where the spindle apparatus disassembles to reform the cytoskeletons
telephase
-
what phase of the cells life cycle forms a cleavage furrow
telephase
-
what is the end result of telophase and mitosis
equal division of nuclear material, mainly chromosomes
-
what phase of the cells cycle is weher the cleavage furrow deepends and splits the cytoplasm in two
cytokinesis
-
what is the end result of cytokinesis
two identical cells with an equal amount of cytoplasm and chromosomes
-
what is the increase of cell size, which increases tissue size, without cell division called
hypertrophy
-
what is the decrease in the size of individual cells and decreasing in the size of tissue called
atrophy
-
what is muscle increation called
hypertrophy
-
what is muscle decreation called
atrophy
-
what is the increase in cell division which results in the increase of cell number and tissue size called
hyperplasia
-
what is a response to changes in the body's internal environment which may be normal or abnormal called
hyperplasia
-
what type of hyperplasia is increasing the number of milk producing cells in the female's breast during pregnancy
normal
-
what type of hyperplasisa is the increasing number of cells due to uncontrolled cell division, resulting in a tumor called
abnormal
-
what are caused by abnormal hyperplasis and may or may nnot be harmful
tumor/neoplasm
-
what type of tumor is usually a harmless cellular growth that do not move to other parts of the body or alter the function of neighboring cells
benign
-
how can a benign tumor turn harmful
gets too large and impedes a passageway or push on a blood vessel or nerve
-
what type of tumor is harmful and alters the funtion of neighboring cells and can spread to other areas of the body
malignant
-
what is it called when something can spread to other areas of the body
metastasis
-
what are a group of diffenent cell types that work together to perfrom a relatively limited number of specific functions called
tissues
-
what are the four types of tissue
- epithelial
- connective
- muscle
- nervous
-
what is the study of tissues called
histology
-
what is the ability of a tissue to repair itself called
regeneration
-
what type of tissue covers all exposed surfaces
epithelial
-
what type of tissue lines all interanl passages, cavities, chambers, and tubes
epithelial
-
what type of tissue forms glands
epithelial
-
what type of tissue are cells packed close together, that don't contain blood vessels, and possesses very little extracellular material
epithelial
-
what type of tisse has high regenration abilites
epithelial
-
what are the funcitons of epithelial tissue
- absorbtion
- secretion
- filtration
- portection
- excretion
- surface transport
- sensory functions
-
what function if the passive or active movement of gases, fluids, or solutes across a cell membrane
absorbiton
-
what function is passie or active movement of a substance out of a cell
secretion
-
what function if th emovement of water and solutes through a membrane via hydrostatic pressure
filtration
-
what function is that epithelial covers the body and lines all cavities to protect from foregin microbes, chemicals, physical injury, and water loss
protection
-
what function is ridding of the body of metabolic wastes
excretion
-
what function is the movemtn of materials by cells that contain cillia
surface transport
-
what function is where most epithelial cells are innervated by sensory neurons to detect changes in either the internal or external environment
sensory functions
-
what type of epithlial cells are flat
squamous
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what type of epithelial cells are cubed or squared
cubodial
-
what type of epithelial cells are higher than they are wide
columnar
-
what arrangement of epithelial cells are a single layer
simple
-
what arrangement of epithelial cells are many layers of the same shaped cell
stratified
-
what arrangement of epithelial cells are many layers with different shaped cells
transitional
-
what are cells that are usually cuboidal in shape and funciton in secretion called
glandular epithelium
-
what type of cell produces and realeses secretion through ducts to specific body parts
exorine
-
what type of cell produces and releases hormones into the blood to be transported to the entire body
endocrine
-
what type of tissue is the most abundant and most diverse tissue in the human body
connective
-
what type of tissue are relatively few cells with intercelluar matrix
connective
-
what type of tissue has high regeneration abilites
connective
-
what function of connective tissue is physically protects soft internal organs, protect bone to bone contact, and protects the brain and spinal cord from microorganisms
protection
-
what function of connective tissue serves to give organs their shape
support
-
what function of connective tissue is long term energy storage
energy storage
-
what function of connective tissue keeps body heat from escaping
insulation
-
what function of connective tissue moes materials throughout the body
internal transport
-
what funcitno of connective tissue serves to connect body parts
connection
-
what function of connective tissue is the formation of new blood cells
hemopoeisis
-
what type of tissue is specialized tissue that contracts for body movements
muscle
-
what type of tissue protects interanl body structures
muscle
-
what type of tissue has low regeneration abilities
muscle
-
what are the 3 types of muscle tissue
-
what type of muscle tissue is the most common and found connected to bones for voluntary body movement
skeletal
-
what type of muscle tissue has involuntary contraction and blood movement
cardiac
-
what type of muscle tissue is found in blood vessels, intestines, uterus, etc and for involuntary movements of bood food..
smooth
-
what type of tissue allows for communication, control, and intergration
nervous
-
what type of tissue has low regeneration abilities
nervous
-
what type of nervous tissue are cells that communicate, control, and integrate bodily functions
neurons
-
what type of nervous tissue are cells that support, connect, and protect neurons
glia
-
what are combos of different tissues that perfrom complex functions
organs
-
what are an interactiong group of organs that perfrom specific functions called
systems
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