-
Muscle Tissue Contracts to Produce Movement
---Mucle :
- Skeletal
- moves body parts
- Voluntary, multinucleated (long, Large)
-
Muscle Tissue Contracts to Produce Movement
Cardiac Muscle:
- Smooth mucle
- Invouluntary,signal nucleus
-
Muscle Tissue Contracts to Produce Movement
Smooth Musscle
- Surrounds hallow structures
- Invouluntary, single nucleus
-
FYI: Skeletal Muscle (x100) Skeletal Muscle cells are very long and have many nuclei
-
Fyi: Cardiac muscles (x225) Cardiac muscles cells interconnect with eachother.
-
FYI: sheet of smooth muscle (X250) smooth muscle cells are thin and tapered
-
Nurevous Tissues Transmit Impulses
Neuron:
Specialized nervous system cell
-
Nurevous Tissues Transmit Impulses
Neuron:FUNCTION
Generate and transmit electrical ipulses
-
Nurevous Tissues Transmit Impulses
Neuron:STRUCTURAL COMPONENTS:
cell body, dendritesiaxon
-
Nurevous Tissues Transmit Impulses
GLIAL CELLS:
support nuerons
-
Organ and organ systems perform complex functions
ORGANS:
Contain two or more tisssues types joined together;perform specific functions
-
Organ and organ systems perform complex functions
ORGANS SYSTEMS:
groups of organs that perform a common function
-
Organ and organ systems perform complex functions
ORGANS: EXAMPLES:
- digestive system: mouth, throat, stomach,intestines and liver
- Lymphatic system:lymph nodes, tonsils, and spleen
-
Body cavaties
ANTERIOR CAVITY:
- Thoracic cavity
- twopleural cavities
- Pericardial cavity
-
Body Cavities
ABDOMINAL CAVITY:
- Prosterior cavity
- Cranial cavity
- spinal cavity
-
BODY CAVITIES
- Tissue membrane (serous membrane) lines body cavities
-
Tissue Membrnes
SERIOUS MEMBRANE
- reduces friction between organs
- Ex: Pleural membrane around lungs
-
Tissue Membrnes
Mucous membrane:
- lubricates surface, captures debris
- lines the body cavities open to the oustside
-
Tissue Membrnes
SYNOVIAL MEMBRANE:
- Lines spaces in movable joints
- secrete synovial fluid (knee)
-
Tissue Membrnes
CUTANEOUS MEMBRANE:
skin
-
FYI: LUNG PLUERA (SEROUS MEMBRANES)
-
VISECUREAL PLURA
layer of plura lining the surface of the lungs
-
PARIETAL PLUEURA
lines the thoratic body wall
-
The skin as an Organ System
The Proper Name is...
Integumentary system
-
The skin as an Organ System
Includes:
skin, hair, nail,gland
-
The skin as an Organ System
FUNCTIONS
- prevent dehydration
- protects from injury
- serves as defence against microorganisms
- regulates body temperatur
- makes vitamin D
- provides sensations
-
Skin Consist of Epidermis and Dermis
EPIDERMIS:
- outer layer
- stratified squamous epithelial cells (be able to identify shape, orginization of shape)
-
-
Skin Consist of Epidermis and Dermis
EPIDERMIS: TWO MAJO CELL TYPES
- specialized kratinocytes
- melanocytes
-
Skin Consist of Epidermis and Dermis
DERMIS:
- Lies underneath the epedermis
- fibers
-
Skin Consist of Epidermis and Dermis
DERMIS: FIBERS
-
Skin Consist of Epidermis and Dermis
DERMIS: Cells
- Fibroblasts
- mast cells
- white blood cells
- fat cells
- (oil glands located)
- (more nerves going through)
- (sweat gland held)
-
Accessory strusctures of Dermis
Hair:
-
Accessory strusctures of Dermis
Smooth muscle
attached to hair folicle,raises hair to upright position
-
Accessory strusctures of Dermis
Oil glands
secretions moistens and softens skin
-
Accessory Structures of Dermis
Sweat glands
secretes sweat, help in temperature regulation
-
Accessory strusctures of Dermis
Blood vessels
supply nutrients, remove waste, assist in temperature regulation constricting, dialating, expanding
-
Accessory strusctures of Dermis
Sensory nerve ending:
detect heat, cold, touch, deep pressure, vibration
-
Multicellular Organisms Must maintain Homeosasis
Maintaince of relaitive constancy of the condions of the internal enviornment
-
|
|