Which of the following situations best represents a homeostatic mechanism?
A. A person who becomes very nervous begins to sweat profusely.
B. After going outside on a hot day, the core body temperature increases.
C. Increasing the size of fast-food restaurant portions causes body weight to increase.
D. After eating a large batch of salty popcorn, levels of salt in the urine increase.
E. As age increases, the amount of calcium in bones tends to decrease.
D
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The largest of the body membranes, commonly called the skin, is the _______ membrane
A. serous B. cutaneous C. mucous D. cartilaginous E. synovial
A scale or tape is used to determine the ________________________ of an animal
Fill in the blank(s) with correct word
Which type of transport proteins use cell energy to move molecules across the plasma membrane?
A. Cadherins B. Ligand-gated ion channels C. Leak-ion channels D. ATP-powered pumps
This figure shows the scapula. The feature indicated by number 6 is the ________ border.
A. vertebral B. superior C. anterior D. lateral E. medial