Front

What is the function of the septum in the heart?

Back

The septum separates oxygenated and deoxygenated blood within the heart.

Front

Why is the left ventricle more muscular than the right ventricle?

Back

The left ventricle is more muscular because it pumps blood throughout the entire body, while the right ventricle only pumps blood to the lungs.

Front

What component of blood helps to stop bleeding?

Back

Platelets are responsible for helping to stop bleeding.

Front

What is the function of valves in veins?

Back

Valves in veins prevent the backflow of blood.

Front

Which chamber of the heart does blood always enter first?

Back

Blood always enters the heart into the atrium.

Front

What is the role of red blood cells?

Back

Red blood cells transport oxygen from the lungs to the rest of the body and return carbon dioxide to the lungs.

Front

What is plasma?

Back

Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.

Front

What are the two main types of circulation in the body?

Back

The two main types of circulation are systemic circulation (to the body) and pulmonary circulation (to the lungs).

Front

What is the purpose of the heart valves?

Back

Heart valves ensure unidirectional blood flow through the heart chambers.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.