Human Gas Exchange

The diagram shows human respiratory system. Which one is bronchi?

The diagram shows human respiratory system. Which one is alveoli?

What is the name of blood vessel that surrounds the alveoli called?

• bronchiole

• capillaries

• red blood cell

• alveolus wall

The diagram shows human respiratory system. Which one is larynx?

The air sacs that are covered with capillaries where gas exchange takes place.

• Bronchi

• Trachea

• Oxygen

• Alveoli

Tags

NGSS.HS-LS2-5

Gas exchange is needed to supply _____________ to cells and remove __________________

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Select the correct statement (more than one) to describe what happens in the alveoli.

• Oxygen diffuses into the blood.

• Carbon dioxide diffuses out of the blood.

• Oxygen diffuses out of the blood.

• Carbon dioxide diffuses into the blood.

Tags

NGSS.HS-LS1-3

where does exchange of gases take place?

• bronchus

• alveoli

• larynx

• pharynx

Gaseous exchange happens in the:

• Bronchi

• Lungs

• Alveoli

• Heart

Which of the following shows the correct sequence of air passage into the lungs?

• trachea → larynx → air sacs → bronchi

• larynx → trachea → bronchi → air sacs

• air sacs → larynx → trachea → bronchi

• larynx → bronchi → trachea → air sacs