Parts of Respiratory system

The part of your body that handles breathing is called _________.

• muscular system

• skeletal system

• respiratory system

• circulatory system

Air is made up of about _________ oxygen.

• 78%

• 21%

• 1%

• 0.03%

The condition in which air enters the body and will be warmed to the same temperature as the body and moistened happened in __________.

• Nasal Cavity

• Pharynx

• Bronchi

• Lungs

The name of the organ that picks up oxygen from inhaled air and passes carbon dioxide into the exhaled air is called ________.

• Bronchi

• Nasal Cavity

• Larynx

• Lungs

what is the function of tiny hairs and mucus in our nose?

• to trap dust that is in the air that we breathe in, so that the air that enters our body is clean and moist

• to collect dust that is in the air that we breathe in, so that the air that enters our body is dusty.

The organ located behind the nose and mouth is?

• Bronchi

• Lungs

• Pharynx

• Larynx

Larynx is __________.

• The organ that contains the vocal cords

• The organ that contains the tiny hairs

• The organ that contains white blood cells

• The organ that produces carbon dioxide

Trachea connects ____________ and ___________.

• pharynx and bronchi

• Nasal cavity and pharynx

• Bronchi and larynx

• Pharynx and Larynx

Alveoli is _______.

• The biggest branches end in thin air sacs

• The smallest branches end in thin air sacs

• The longest branches end in thin air sacs

• The shortest branches end in thin air sacs

Trachea branches into two smaller air tubes called _______.

• Alveoli

• Bronchi

• Larynx

• Pharynx