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Alexandra Bolanos

Physio Week 7

what is homeostasis? state of balance that your body thrives to maintain. Your body will try to maintain certain functions at set points.
What is a negative feedback? They “negate” a change (such as a drop in temperature) by creating a response (production of heat) that is opposite in direction to the initial disturbance.
What is a Positive feedback positive feedback tends to amplify or reinforce the change that is occurring. Positive feedback control systems are stimulatory. not good for maintaining homeostasis
What is a electrovalent or ionic bond? A chemical bond formed by the transfer of electrons from one atom to another
what is a covalent bond? A chemical bond formed by the sharing of one or more pairs of electrons between the outer energy levels of two atoms
what happens as the concentration of hydroxide ions (OH–) increases? The solution becomes more basic and pH rises
What are the different functions of the skin? Protection, Thermoregulation, sensation, excretion vitamin D production.
What are the two types of bone marrow? Red & yellow – produces red blood cells and stores energy as fat.
Energy used for muscular contraction come from the hydrolysis of? ATP
what is an agonist? Another name is a prime mover. it is used to describe a muscle that directly performs a specific movement. The movement produced by a muscle acting as a prime mover is described as the “action” or “function” of that muscle.
what is an antagonist? muscles that, when contracting, directly oppose prime movers (or agonists). They are relaxed while the prime mover is contracting to produce movement
Created by: bolanosa
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