Which is the correct order of the organs through which inhaled air passes from the nose to the lungs?

A. nostrils, larynx, pharynx, and bronchi
B. nostrils, larynx, trachea, and bronchi
C. pharynx, nostrils, larynx and bronchi
D. nostrils, trachea, bronchi, and pharynx

2. The tiny air sacs in your lungs where exchange of gases takes place?

A. bronchioles
B. ravioli
C. bronx
D. alveoli

3. When you exhale, how does the diaphragm behave as you breath out?

A. relaxes
B. contracts
C. expands
D. sinks

4. What kind of blood vessels that carry oxygen-rich blood away from the heart?

A. Arteries
B. Ventricles
C. Veins
D. Capillaries

5. It is the largest artery in the body, what is it?

A. plasma
B. aorta
C. left atrium
D. right ventricle​