Respiratory System and Respiration

the structure that prevents food from entering the lungs

• Bronchi

• Diaphragm

• Epiglottis

• Larynx

these help in filtering the air that enters the body

• Cilia

• Epiglottis

• Mucus

• Cilia and Mucus

the diaphragm contracts allowing the lung capacity to increase and pulling air into the lungs.

• Inspiration

• Expiration

the diaphragm relaxes and moves upward which causes the air to be released from the body

• Inspiration

• Expiration

What is the process that allows gases to move from an area of higher concentration to an area of lower concentration

• Breathing

• Diffusion

• Expiration

• Inspiration