Muscle and Breathing Quiz by Ms. Ae

A gas that makes up about 21 percent of the air.

• carbon dioxide

• oxygen

• hydrogen

• argon

A process in which energy is released from substance so it can be used by an organism

• respiration

• digestion

A muscle cell gets shorts when it ______

• contracts

• relax

The muscles go back to its original shape and size when it____

• contracts

• relaxes

air goes into your lungs when you ______.

• inhale

• exhale

Air flows out of your lungs when

• inhale

• exhale

The movement of air in and out of the lungs is called.

• digestion

• ventilation

• relaxation

• contraction

Allows the passage of air.

• pharynx

• Larynx

• mouth and nose

• Trachea

Delivers air from nose and mouth to the trachea

• Larynx

• Pharynx

• Bronchi

• Bronchioles

Voice Box

• Pharynx

• Larynx

• Trachea

• Alveoli