AP BIOLOGY

ANIMAL PHYSIOLOGY

HUMAN CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the smallest type of cell in the blood called?
A
leucocytes
B
Platelets
C
lymphocytes
D
erythrocytes
Explanation: 

Detailed explanation-1: -Platelets are the smallest of the three major types of blood cells. Platelets are only about 20% of the diameter of red blood cells. The normal platelet count is 150, 000-350, 000 per microliter of blood, but since platelets are so small, they make up just a tiny fraction of the blood volume.

Detailed explanation-2: -(PLAYT-let) A tiny, disc-shaped piece of cell that is found in the blood and spleen. Platelets are pieces of very large cells in the bone marrow called megakaryocytes. They help form blood clots to slow or stop bleeding and to help wounds heal.

Detailed explanation-3: -Complete answer: The smallest blood cells are platelets. The diameter of platelets is only about 20% of the diameter of red blood cells.

Detailed explanation-4: -What are platelets? Platelets, also called thrombocytes, are tiny components of your blood that help with clotting. Platelets are your body’s natural bandage to stop bleeding.

There is 1 question to complete.