A football player can hear his coach's voice above the noise of the crowd and can sense an opponent about to run him down. These abilities are due to the action of what part of the brain?
A. Pons
B. Epithalamus
C. Pineal body
D. Thalamus
E. Hypothalamus
Answer: D
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A transport mechanism that can move a substance against a concentration gradient by using cellular energy is
A) simple diffusion. B) facilitated diffusion. C) osmosis. D) bulk transport. E) active transport.
Which of the following is(are) ionizing radiation?
A) Gamma radiation only B) Cosmic radiation only C) Both cosmic radiation and gamma radiation D) Neither cosmic nor gamma radiation
What is NOT a primary target tissue of cortisol?
A) adipose tissue B) nervous tissue C) muscle tissue D) liver tissue