AP BIOLOGY

ANIMAL PHYSIOLOGY

HUMAN CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
There are three types of vessels:
A
only capillaries
B
Atia, veins and capillaries
C
Arteries, veins and capillaries
D
Arteries, valves and capillaries
Explanation: 

Detailed explanation-1: -Types of blood cells. There are 3 types of blood cells – red blood cells, white blood cells and platelets. Red blood cells (erythrocytes) carry oxygen to all cells in the body.

Detailed explanation-2: -Arteries are defined as the blood vessels that carry oxygenated blood from the heart to the tissues. On the other hand, veins are defined as the vessels that carry deoxygenated blood from organs back to the heart. On the other hand, capillaries are defined as the smallest vessels that link arteries and veins.

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