Circulatory System Quiz

What is the primary function of the circulatory system in an animal's body?

• To transport blood through the heart, blood vessels, and lungs

• To produce blood cells in the bone marrow

• To digest nutrients

• To control body temperature

Which type of circulatory system do fish have?

• Single loop circulation with 2 chamber hearts

• Double loop circulation with 3 chamber hearts

• Double loop circulation with 4 chamber hearts

• No circulatory system

What type of circulatory system do mammals and birds have?

• Single loop circulation with 2 chamber hearts

• Double loop circulation with 3 chamber hearts

• Double loop circulation with 4 chamber hearts

• No circulatory system

What are the solid components of blood?

• Platelets and plasma

• Red blood cells and white blood cells

• Red blood cells, white blood cells, and platelets

• Plasma and proteins

What is the role of white blood cells?

• They transport oxygen

• They assist with blood clotting

• They defend against infections

• They suspend proteins in the blood

What is the liquid component of blood called?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the function of veins in the circulatory system?

• To pump blood out of the heart

• To carry oxygenated blood to the heart

• To connect arteries to tissues

• To collect waste from tissues

What do capillaries connect?

• Arteries to veins

• Veins to tissues

• Arteries to the heart

• Veins to the heart

Where does the exchange of oxygen and waste occur in the circulatory system?

• In the veins

• In the heart

• In the capillaries

• In the arteries

What is the role of valves in the heart?

• To pump blood into the ventricles

• To pump blood out of the heart

• To keep the blood flowing in one direction and prevent backward flow

• To collect oxygen from the lungs