Answer: Option A
Explanation:
Carbohydrates are the main source of energy which is required by the body to carryout various processes of the body.
A pregnant women should intake adequate amount of carbohydrates because they should have enough energy to support metabolic processes as she is pregnant.
If a pregnant women would not take enough carbohydrates then there would be many problems associated with the child and mother.
A vaccination can produce immunity to smallpox
It is true if that's what you're asking.
Answer:The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Supporting signals because it has nothing to do with your body
