Which of the following is not an adaptation for keeping the testes cool?
A. Descent of the testes to the scrotum
B. Pampiniform plexus
C. Cremaster muscle
D. The testicular artery
E. The dartos muscle
D. The testicular artery
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Which system is responsible for providing protection, regulating body temperature, and being the site of cutaneous receptors?
A. Integumentary B. Muscular C. Nervous D. Urinary E. Respiratory
What type of acid–base disorder most frequently occurs?
a. respiratory acidosis b. respiratory alkalosis c. metabolic acidosis d. metabolic alkalosis e. pulmonary edema
Tolerance to drugs that are neurotransmitter agonists is thought to involve increased release of the neurotransmitter in response to the drug
Indicate whether the statement is true or false.
What determines the movement of blood in systemic veins?
A. The contraction and relaxation of skeletal muscles B. The decrease of thoracic pressure and increase of abdominal pressure due to diaphragm movement C. Valves in the veins D. The blood pressure difference between systemic capillaries and the right atrium E. All of the these