MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

CARDIOVASCULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes the main function of the circulatory system?
A
To deliver nutrients and other essential materials to cells and remove waste products
B
To break down the nutrients found in food so that they can be used by all cells in the body
C
To produce the chemical signals that allow parts of the body to communicate over long distances
D
To coordinate all other body systems so that they can function together to maintain homeostasis
Explanation: 

Detailed explanation-1: -The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides.

Detailed explanation-2: -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.

Detailed explanation-3: -❖ When your blood circulates through your digestive system, it picks up nutrients your body absorbed from your last meal. these waste products to the kidneys and lungs for disposal. ❖ The circulatory system carries hormones from the endocrine system, and the immune system’s white blood cells that fight off infection.

Detailed explanation-4: -The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body. The arteries carry blood away from the heart; the veins carry it back to the heart.

There is 1 question to complete.