Answer: During sexual intercouarse a males ejaculation fertilizes the egg and is released. Once the egg travles to the uterus. It will usually implant in endometrium. From there a hormone called human chorionic gonadotropin begins to produce in the uturus. This is the hormone that a pregnancy test measures. It prevents the uterine lining from being shed, so the woman does not have a period. Resulting in pregnancy.
They are apart of the brainstem
Answer:
First level
Explanation:
The physical activity pyramid is a visual representation demonstrating how to increase physical activity until it becomes a part of daily routine.
Lifestyle activities are the first step of the physical activity pyramid.
Lifestyle activities are moderate physical activities that are performed daily. The examples for moderate physical activities are housework, yardwork, non-vigorous sports, taking the stairs instead of the elevator.
Is one of which the blood stays in blood vessels at all times
