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Kathia Balderas

Physiology Wk 1-6

QuestionAnswer
The normal reading or range is also called Set point
What is a negative- feedback mechanism? it occurs to reduce the change or output. Results of a reaction is reduced to bring the system back to a stable state.
What is a lipid? It is a fatty compound that perform a variety of functions in the body.
What is RNA? A nucleic acid present in all living cells that has structural similarities to DNA.
What is DNA? The molecule that carries genetic information for the development and functioning of an organism.
What is an osmotic pressure? Water pressure that develops in a solution as a result of osmosis into that solution
What is sodium-potassium pump? A microscopic enzyme in the outer plasma membrane of all animal cells that maintains ion balance by exchanging sodium and potassium ions.
What are dendritic cells? A special type of immune cell that is found in tissues, such as the skin, and boosts immune responses by showing antigens on its surface to other cells of the immune system.
What does astrocytes do? Cells form the blood-brain barrier that protects the brain from harmful substances in the blood.
Why is cartilage slow to heal? Because it is semi-solid and flexible and has no or a limited blood supply.
Explain the axial skeletal structure? It provides framework for muscles that anchor and stabilize the appendicular bones.
When does bone loss begin to exceed bone gain? At ages of 35 and 40 years.
The muscle's ability to stretch or extend and to return to its resting length is called? Extensibility
synarthrotic joints are Immovable
Created by: kathiiaa
 

 



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