D is the answer. Prolactin is secreted by the pituitary gland which is located at the base of the brain
This statement would have to be "false" or the second option. If it has something to do with fitness it would mainly be in affect for anyone. So in this case if you want to talk about something that a evolution for fitness it would most likely be for anyone since how it could make anyone fit.
Hope this helps!
Answer:
The brain nd nerve tissues prefer carbohydrates as fuel.
Explanation:
Carbohydrates are the fuel by preference for the brain and the nerve tissues. They do not leave toxic components that can affect the cells once that they are used and they are easy and fast to process. In addition to this, the brain-blood barrier that protects the central nervous system is highly selective and will only allow the passage of some carbohydrates, lipids and some proteins to the central nervous system.
