Phases of Respiration

What part/s of the respiratory system contain/s cilia and mucus that cleans, moistens, and warms the air?

• Bronchus

• Larynx

• Nasal Cavity

• Trachea

What is the movement of substances from an area of higher concentration to an area of lower concentration?

• Breathing

• Diffusion

• Osmosis

• Respiration

What happens with the diaphragm during inhalation?

• the diaphragm contracts

• the diaphragm expands

• the diaphragm inflates

• the diaphragm relaxes

What happens with the diaphragm during exhalation?

• the diaphragm contracts

• the diaphragm expands

• the diaphragm inflates

• the diaphragm relaxes

What happens to your lung volume during inhalation?

• the lung volume contracts

• the lung volume decreases

• the lung volume increases

• the lung volume relaxes