What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

Which is NOT a function of the Respiratory System?

• it warms the air
• it exchanges O₂ and CO₂
• It pumps blood to the organs
• it creates sound through the larynx

Which system works closely with the respiratory system?

• skeletal system
• circulatory system
• excretory system
• digestive system

The beginning of the respiratory system that warms and moistens the air.

• trachea
• nose
• bronchi
• diaphragm

The passageway that is shared by both the digestive and respiratory system is the....

• larynx

• pharynx

• trachea

• nose

What is the function of the bronchi?

• Transport air from nose to lungs

• Transport air from trachea to lungs

• Transport air from lungs to alveoli

• Transport air from alveoli to blood

The two main branches from the trachea (one to each lung)

• bronchi

• alveoli

• capillaries

• bronchioles

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi

• lungs

• oxygen

• alveoli

What is tube that is also known as your wind pipe?

• esophogus

• bronchi

• trachea

• alveoli

What is function of the dome-shaped diaphragm?

• This is where gas exchange happens.

• Air passes through the diaphragm on the way to the lungs.

• It attaches to the lungs to help in breathing.

• It is under the lungs and keeps them from falling down to your stomach.