-
Covers body surface, lines, organs and cavities, and makes most of glands
Epithelium
-
Binds and supports body parts
Connective tissue
-
Moves body parts
muscle tissue
-
receives stimuli and send messages, stores information
Nervous tissue
-
What is structure of connective tissue?
Widely scattered cells in a non-cellular matrix
-
What is the structure of muscle tissue?
Closely packed, mostly cylindrical cells
-
What is the structure of Nervous tissue?
nerons
-
What is an example of epithelial tissue?
skin, mucus membranes, glands, lining of digestive system and lungs, coverings for all organs and linings of all cativies
-
What are some examples of muscle Tissue?
skeletal muscle, smooth muscle, and cardiac muscle
-
What are some examples of connective tissue?
- fibrous
- supportive-cartilage and bone
- fluid
-
What are the five functions of the digestive system?
- Ingestion-eating
- digestion-breaking down food
- movement-moves food along GI tract
- absorption-nutrients pass to blood stream
- Elimination-indigestible wastes are removed
-
What is mechanically digestion?
- large pieces are broken into smaller pieces
- chewing
- mixing and churning
-
What is chemical digestion?
enzymes break down polymers into monomers
-
What is the function of the pharynx?
passageway where food is swallowed
-
What is the function of the esophagus
passageway where peristalsis pushes food to stomach
-
What is the function of the stomach?
stores food and aids in digestion
-
What is the function of the small intestine?
- absorbs nutrients
- secretes digestive hormones into blood
-
What is the function of the large intestine?
absorbs water and salt to form feces
-
What is the function of the rectum?
stores and regulates elimination of feces
-
What are the important enzymes of digestion?
Amylase, lipase, protease (pepsin, trypsin)
-
What are the gatekeeper functions of the liver?
- destroys old red blood cells
- detoxifies blood by removing toxins
- makes plasma proteins
- stores and releases glucose as needed to maintain blood sugar
- produces urea when amino acids are metabolized
- helps regulate cholesterol levels
-
Secretion of the liver temporarily stored and concentrated in the gallbladder before being released into the small intestine, where it emulsifies fat
Bile
-
Chronic, irreversible injury to liver tissue
cirrhosis
-
delayed and difficult defication caused by insufficient water in the feces
constipation
-
Excessively frequent bowel movements
diarrhea
-
Burning pain in the chest that occurs when part of the stomach contents escape into the esophagus
Heartburn
-
Inflammation of the liver
hepatitis
-
Yellowish tint to the skin caused by an abnormal amount of bilirubin in the blood
jaundice
-
automatic, involuntary response of an organism to a stumuls
reflex
-
Muscle that surrounds a tube and closes or opens the tube by contracting and relaxing
sphincter
-
Wavelike contractions that propel substances along a tubular structure such as the esophagus.
peristatlsis
-
Small, fingerlike projection of the inner small intestinal wall
villi
-
Malignant tumor whose nondifferentiated cells exhibit loss of contact inhibition, uncontrolled growth, and the ability to invade tissue and metastasize
cancer
-
Alteration in chromosome structure or number and also an alteration in a gene due to a change in DNA composition
mutation
-
Spread of cancer from the place or origin throughout the body
metastasis
-
Cells derived from a single mutated cell that has repeatedly undergone cell division
tumor
-
generalized infection of the lining of the abdominal cavity
peritonitis
-
condition that refers to the inflammation of the brain or spinal cord meninges
meningitis
-
Maintenance of normal internal conditions in a cell or an organism by means of self-regulating mechanisms
Homeostatis
-
unstructured semifluid substance that fills the space between cells in connective tissues or inside organelles
Matrix
-
disease-causing agent
pathogen
-
What organs are in the reproductive system?
testes, penis, ovaries, uterus, vagina
-
What is the function of the reproductive system?
- produces and transports gametes
- nurtures and gives birth to offspring in females
-
What organ makes up the integumentary system?
skin
-
What is the function of the integumentary system?
- protects body
- provides temperature homeostasis
- synthesizes vitamin D
- receives sensory input
-
What organ make up the cardiovascular system?
Heart
-
What is the function of the cardiovascular system?
- transport system for nutrients, waste
- provides temperature, pH, and fluid homeostasis
-
What organs make up the lymphatic and immune systems?
lymphatic vessels, lymph nodes, spleen
-
What is the function of the lymphatic and immune system?
- Defends against infectious diseases
- provides fluid homeostasis
- assists in absorption and transport of fats
-
What organs make up the digestive system?
oral cavities, esophagus, stomach, small intestine, large intestine, salivary glands, liver, gallbladder, pancreas
-
What is the function of the digestive system?
- ingests, digests, and processes food
- absorbs nutrients and eliminates waste
- involved in fluid homeostasis
-
What organ makes up the respiratory system?
lungs
-
What is the function of the respiratory system?
- Exchanges gases at both lungs and tissues
- assists in pH homeostasis
-
What organs make up the urinary system?
Kidneys, urinary bladder
-
What is the function of the urinary system?
- excretes metabolic wastes
- provides pH and fluids homeostasis
-
What organ makes up the skeletal system?
Bones
-
What is the function of the skeletal system?
- provides support and protection
- assists in movement
- stores minerals
- produces blood cells
-
What organ makes up the muscular system?
muscles
-
What is the function of the muscular system?
- assists in movement and posture
- produces heat
-
What organs make up the nervous system?
brain, spinal cord
-
What is the function of the nervous system
- receives, processes, and stores sensory input
- provides motor output
- coordinates organ systems
-
What organs make up the endocrine system?
testes, ovaries, adrenal glands, pancreas, thymus, thyroid, pineal gland
-
What is the function of the endocrine system?
- produces hormones
- coordinates organ systems and stress responses
- involved in fluid and pH homeostasis
-
A group of similar cells which perform a specific function
Tissue
|
|
