Answer:
Description of the main functions of the circulatory system in your own words.
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
What are the main functions of the circulatory system?
The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins.
Explanation:
Most likely because of malnutrition and she could be under stress which also stops periods
The large the amplitude the large the rate of energy transfer
