Unit 7 - Section 1

The main function of the circulatory system is to ...

• carry blood throughout a person's body

• take in oxygen for transport to the body

• distribute blood to the heart

• keep a person's heart beating

The largest artery of the heart and the body is the

• vein

• aorta

• arteriole

• venule

Which of the following is a correct statement?

• Arteries carry blood to the heart, veins away from the heart

• Arteries and veins carry blood to the heart

• Arteries and veins carry blood away from the heart

• Arteries carry blood away from the heart, veins to the heart

Which of the blood vessels carry nutrients and oxygen to the cells in the body?

• capillaries

• veins

• arteries

• venae cavae

... separate the four chambers of the heart

• Valves

• Venae cavae

• Atria

• Ventricles

Match the term with its definition: endo-

• within

• vessel

• around

• muscle

• heart

Match the term with its definition: cardio-

• within

• vessel

• around

• muscle

• heart

Match the term with its definition: vasc-

• within

• vessel

• around

• muscle

• heart

Match the term with its definition: myo-

• within

• vessel

• around

• muscle

• heart

Match the term with its definition: peri-

• within

• vessel

• around

• muscle

• heart