Multiple Choice
In the countercurrent heat exchanger of a "hot" fish, heat is exchanged between
A) arteries and veins carrying blood in opposite directions.
B) blood and water flowing in opposite directions.
C) arteries carrying blood in transverse directions.
D) arteries and veins carrying blood in the same direction.
E) blood and water flowing in the same direction.
Correct Answer:

Verified
Correct Answer:
Verified
Q10: The metabolic rate of an organism is
Q11: An adult human is 60 percent water;
Q12: The major thermoregulatory center ("thermostat") in mammals
Q13: If an animal is kept in an
Q14: Daily torpor is<br>A) found in small endotherms.<br>B)
Q16: In terms of the predominant source of
Q17: Hibernation is<br>A) thought to have evolved as
Q18: Refer to the graph.In this experiment, the
Q19: Which statement is true?<br>A) At temperatures below
Q20: Smooth muscle<br>A) attaches to bones.<br>B) is part