HUMAN NUTRITION

NUTRITION

THE HUMAN BODY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The circulatory system is composed of blood vessels that travel from the heart to the rest of the body and back to the heart. Why does blood make a complete loop throughout the body?
A
so blood can fill all internal organs
B
so blood can distribute fat to all of the arteries
C
to carry nutrients throughout the body and remove wastes
D
so carbon dioxide and wastes can be circulated throughout the entire body
Explanation: 

Detailed explanation-1: -The circulatory system (cardiovascular system) pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over.

Detailed explanation-2: -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.

There is 1 question to complete.