Answer:
D as u get more restful sleep.
Answer:
They benefit society by treating patients and raising awareness of health related issues. They conduct research by examining healthy people and use what they learn to help others achieve the same. One subfield includes developmental psychology which is the study of how people grow and change over time.
Explanation:
Answer: To measure good health you can just take a good look at somebody.
Explanation:
The placenta develops within the first couple of weeks of pregnancy. The placenta is the lifeline of the fetal body and soon after the placenta is developed and in place, it begins starting to absorb nutrients for the developing fetus. This all occurs in the first trimester.