One of the biggest challenges facing terrestrial organisms is to
A) Escape from predators.
B) Survive food shortages.
C) Reduce water loss.
D) Find shelter.
Answer: C
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In the lungs, surfactant is secreted by ____ cells
a. beta b. parietal c. alveolar d. alpha
Neurotransmitters are released from the ________.
A. epineurium B. postsynaptic membrane C. Ca2+ channels D. presynaptic terminal E. synaptic cleft
Which of following is a common characteristic of fast glycolytic (FG) skeletal muscle fibers?
a) large amount of myoglobin. b) many mitochondria. c) low concentration of creatine kinase in the sarcoplasm. d) slow myosin ATPase. e) high amount of glycogen in the sarcoplasm.
Autonomic innervation of the kidney includes
A. Cranial Nerve V and sympathetic nerves from T10-T12. B. Cranial Nerve X and sympathetic nerves from T1-T2. C. Cranial Nerve V and sympathetic nerves from T1-T2. D. Cranial Nerve X and sympathetic nerves from T10-T12.