Biology-8 Transport in Animals

Front

What is the main function of the circulatory system?

Back

To deliver oxygen and nutrients to all the cells in the body and carry carbon dioxide and waste to the lungs.

Front

Which organ is responsible for pumping and circulating blood?

Back

Heart

Front

How many valves are present in the human heart?

Back

4

Front

What is the role of the pulmonary system?

Back

To circulate blood from the heart to the lungs and back.

Front

What is the main artery of the heart that carries oxygenated blood to the body?

Back

Aorta

Front

What are blood vessels?

Back

Tubes that carry blood throughout the body, including arteries, veins, and capillaries.

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.

Front

What is the function of capillaries?

Back

To facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Front

What is oxygenated blood?

Back

Blood that is rich in oxygen, typically found in the arteries after it leaves the lungs.

Front

What is deoxygenated blood?

Back

Blood that is low in oxygen and high in carbon dioxide, typically found in the veins returning to the heart.