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positive feedback

Can complete a potentially dangerous or stressful process quickly

the nervous system

helps regulate body temperature

integumentary system

organ system that protects against environmental hazards, helps regulate body temperature, and provides sensory information?


plane would you use to cut the human body so you could see the anterior and posterior sections of the heart

Visceral pericardium

the name of the serous membrane that covers the surface of the heart?

serial reconstruction

The process of choosing one sectional plane and making a series of sections at small intervals

computerized tomography

how Checking for tumors or other tissue abnormalities is best accomplished


The procedure used to monitor circulatory pathways using the radiodense dyes that produces an X-ray image

If the temperature of the body climbs above 99ยบ F

negative feedback is triggered by increased heat loss through enhanced blood blow to the skin and sweating

muscular system

heat production is a major function of the muscular system

DSA scan

Blood flow in specific organs is monitored by a DSA scan.

Nonpolar covalent bond

Equal sharing of an electron pair

Polar covalent bond

Unequal sharing of an electron pair

Ionic bonds

Links fully charged molecules

hydrogen bonds

Links partially charged molecules


Particles dispersed in a medium


Medium in which particles are dispersed

Glucose is an example of this


Formed when two simple sugars join together


Glycogen and starch are examples of this


Molecules that have the same types and numbers of atoms, but different structures-for example, glucose and fructose



Atoms with similar proton numbers but different neutron numbers

Cholesterol is an example of this lipid


This lipid is an important energy source, provides insulation, and protects organs


This lipid contains a phosphate group linked to a diglyceride and a nonlipid group


This lipid can be saturated or unsaturated

Fatty acid

This lipid is derived from arachidonic acid


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