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What is the difference between anatomy and Physiology?
Anatomy is the study of the structures in the body and their relationships to one another
Physiology is the study of the function of the body's machinery (how it works)
Levels of Structural Organization
Necessary life functions
the movement at the cellular level (makes your muscles move)
What causes response
breaking down molecules
synthesis of molecules (when the body absorbs nutrients
bone, cartilage, and ligaments
muscles and TENDONS
brain, spinal cord, and nerves
heart and blood vessels
What is the immune system called?
What is it Lymphatic composed of?What does the Lymphatic do?
red bone marrow, thymus, spleen,
It picks up fluid leaked from blood vessels and returns it to the blood& houses white blood cells
What does the Urinary System do?
- Composed of kidneys
- eliminates nitrogenous wastes from the body
what is oxygen mainly used for in the body?
it produces metabolic reactions.
What is metabolic heat?
That is when the body breaks down food and creates heat. Food is mainly to keep the body temp stable
balance between changes in the body's conditions and internal control mechanisms
- molecules that carry electric signals.
- ex. sodium, magnesium
sends signals due to stimuli
middle point b/w receptor and effector
makes the effect happen