BLOOD,CIRCULATORY AND RESPIRATORY SYSTEM

Front

What is the main function of the left ventricle?

Back

It pumps oxygen-rich blood to the entire body.

Front

What antigens are present on the red blood cells of someone with A+ blood?

Back

A and Rh antigens.

Front

What does the Rh factor refer to in blood typing?

Back

The presence or absence of the D antigen.

Front

What is the function of the pulmonary valve?

Back

It prevents backflow of blood from the pulmonary artery into the right ventricle.

Front

Which component of blood is primarily responsible for transporting oxygen?

Back

Red blood cells.

Front

What is the role of platelets in the blood?

Back

They help in blood clotting.

Front

What is the function of the aortic valve?

Back

It prevents backflow of blood from the aorta into the left ventricle.

Front

What is the primary function of the circulatory system?

Back

To transport nutrients, gases, hormones, and waste products throughout the body.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart.

Front

What is the role of fibrin in blood clotting?

Back

Fibrin forms a mesh that traps blood cells to create a clot.