Exploring the Functions and Pathways of the Circulatory System

What is the primary function of the circulatory system?

• To produce hormones

• To control body temperature

• To transport nutrients and wastes in the body

• To provide structural support to the body

Which components make up the circulatory system?

• Stomach, heart, and capillaries

• Lungs, veins, and arteries

• Heart, blood, and blood vessels

• Heart, lungs, and kidneys

Where does the oxygenation of blood primarily occur?

• In the capillaries

• In the lungs

• In the veins

• In the heart

What happens in the capillaries during blood circulation?

• Blood deposits nutrients and picks up waste

• Blood is cooled down

• Blood is pumped back to the heart

• Blood gets oxygenated

How does deoxygenated blood return to the lungs?

• Through veins

• Through capillaries

• Through the aorta

• Through arteries