Answer:
B. An 2 years old because they would be interest of how it works.
Answer:
The four major functions of the cardiovascular system are:
To transport nutrients, gases and waste products around the body.
To protect the body from infection and blood loss.
To help the body maintain a constant body temperature ('thermoregulation')
To help maintain fluid balance within the body.
Explanation:
I have a question like this in my quiz
U did not put any anwsers to pick from
Answer:
How Does It Work? Most birth control pills are "combination pills" containing a mix of the hormones estrogen and progesterone to prevent ovulation (the release of an egg during the monthly cycle). A woman cannot get pregnant if she doesn't ovulate because there is no egg to be fertilized. The answer is D.
