Respiration

Recap - Breathing

Multiple Choice

What is the purpose of cilia?

• To trap bacteria particles of dust.

• To move mucus out of the trachea

• To exchange oxygen for carbon dioxide

• Stop stop food going into the trachea

Multiple Choice

What is the function of goblet cells?

• To produce mucus

• To produce saliva

• To move mucus out of the trachea

• To trap bacteria particles of dust.

Multiple Choice

what happens during inhalation?

• Intercostal muscles contract and the diaphragm relaxes.

• Intercostal muscles and the diaphragm relax.

• Intercostal muscles relax and the diaphragm contracts.

• Intercostal muscles and the diaphragm contract.

Multiple Choice

What happens during inhalation?

• The pressure in the thorax decreases so air moves into the lungs.

• The pressure in the thorax increases so air moves into the lungs.

• The pressure in the thorax decreases so air moves out of the lungs.

• The pressure in the thorax increases so air moves out of the lungs.

Multiple Choice

What is the purpose of the intercostal muscles?

• To keep the chest rigid

• To pull the ribs up during inhalation.

• To pull the ribs up during exhalation.

• To keep the trachea and bronchi open.

Thank you for playing :-)