The suprachiasmatic nucleus
A) receives input directly from the retina.
B) coordinates daily cycles.
C) regulates the pineal gland.
D) outputs to the hypothalamic nuclei.
E) All of the answers are correct.
E) All of the answers are correct.
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The crew of an ocean-going racing sailboat must adhere to strict weight limits for both their bodies and the food they eat, yet their activity levels are very high, and weather conditions may vary to extreme cold, so they must consume many kilocalories. What kinds of nutrient-dense foods can you suggest to them to bring? In general, what type of energy nutrient should they choose to consume?
What will be an ideal response?
Tom has just been exposed to the measles virus, and he can't remember if he has had measles before. He asks you if there is any way he can tell if he has been previously exposed or if he is going to get sick. What would you tell him? Why won't he get sick from a second infection?
What will be an ideal response?
_______ reflects the amount of red blood cells mass as a proportion of whole blood.
a. leukocytosis b. aplastic c. hemolytic d. hematocrit
Muscles used for delicate, finely controlled movements have smaller motor units than muscles used for high power activities.
Answer the following statement true (T) or false (F)