Which of the following is not a usual result of resistance exercise?
A) increase in the efficiency of the respiratory system
B) increase in the efficiency of the circulatory system
C) increase in the number of muscle cells
D) increase in the number of myofibrils within the muscle cells
C) increase in the number of muscle cells
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________ nerves are composed of preganglionic sympathetic axons that did not synapse in a sympathetic ganglion.
Fill in the blank(s) with the appropriate word(s).
The peritubular capillaries
a. supply nutrients and O2 to the tubular cells. b. take up the substances that are reabsorbed by the tubules. c. supply substances that are secreted by the tubules. d. all of these answers. e. none of these answers.
What do tissue macrophages develop from?
A. Polymorphonuclear leukocytes B. Monocytes C. Lymphocytes D. Neutrophils E. Basophils
We live in an ever-changing environment outside of our body, yet our internal conditions remain relatively stable. This is called ________
A) homeostasis B) metastasis C) adaptation D) evolution E) responsiveness