1.7*- Video Questions

Which components are part of the circulatory system?

• Brain, spinal cord, and nerves

• Stomach, liver, and intestines

• Lungs, trachea, and diaphragm

• Heart, blood vessels, and blood

Where do the circulatory and respiratory systems interact?

• In the liver

• In the stomach

• In the brain

• At each alveolus

What happens to oxygen when you inhale?

• It gets absorbed by the stomach

• It enters the alveoli and diffuses into red blood cells

• It is exhaled immediately

• It is stored in the liver

Where do the circulatory and digestive systems interact?

• In the alveoli of the lungs

• In the Villi of the small intestine

• In the heart

• In the brain