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Biology: Blood and Circulatory System

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Questions and Answers

What is the main function of the platelets in the blood?

To protect the body from infections

To regulate body temperature

To transport oxygen

To stop bleeding (correct)

What is the percentage by volume of Red Blood Cells (RBC) in the blood?

Buffy coat

Hemostasis

Erythrocytes

Hematocrit (correct)

What is the main function of the Angiology?

Study of the blood

Study of the blood vessels (correct)

Study of the heart

Study of the lungs

What is the function of the Buffy coat in the blood?

A mixture of lymphocytes, monocytes, granulocytes, and platelets Signup and view all the answers

What happens to the blood viscosity when the number of RBCs increases beyond the normal range?

It becomes more viscous and flows slowly Signup and view all the answers

What is the function of the Erythrocytes in the blood?

To transport oxygen Signup and view all the answers

What is the percentage of water in blood plasma?

90% Signup and view all the answers

What is the primary function of albumin in blood plasma?

To carry certain molecules through circulation Signup and view all the answers

Which type of blood cells are complete cells?

Leukocytes Signup and view all the answers

What is the primary function of hemoglobin in red blood cells?

To transport gases Signup and view all the answers

What is the term for the pressure that helps to keep water in the bloodstream?

Plasma Osmotic Pressure Signup and view all the answers

What happens when blood proteins level drops?

The liver makes more proteins Signup and view all the answers