Circulatory System Questions

___________________ is the main artery of the body

• Superior vena cava

• Inferior vena cava

• Pulmonary artery

• Aorta

The main function of capillaries in the circulatory system is to ______________

• carry blood away from the heart

• exchange substances and wastes

• form blood clots

• fight infections

The pulmonary artery in the circulatory system ________________

• exchange substances and wastes

• carry oxygenated blood to the lungs

• form blood clots

• transport glucose to body cells

White blood cells are responsible for ____________

• Fighting infections

• Transporting oxygen

• Blood clotting

• Dissolving nutrients

_______________ have thick smooth muscle layer to tolerate the pressure with which blood is being pumped outside of the heart.

• Aeries

• Veins

• Capillaries

• All blood vessels

Which part of the heart pumps deoxygenated blood to the lungs?

• Right ventricle

• Left ventricle

• Left atrium

• Right atrium

One function of the human blood is___________________

• Producing hormones

• Excreting Waste

• Distributing heat throughout the body

Which blood vessel carries blood away from the heart?

• Veins

• Capillaries

• Lymphatic vessels

• Arteries

What is the main purpose of systemic circulation?

• To oxygenate the blood

• To distribute oxygenated blood and nutrients to all body tissues

• To remove carbon dioxide from the body

• To carry deoxygenated blood to the lungs