Respiratory

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli 

The system of the body that brings oxygen into the body and releases carbon dioxide.

• respiratory​ ​system​
• skeletal system
• muscular system
• circulatory system

Organs of the respiratory system that bring oxygen-rich air into​ ​the body and send oxygen-poor air out of the body.

• heart
• muscles
• lungs
• bones

The tube in the body through which air moves as it travels to and from the lungs;the windpipe.

• heart
• bone
• blood vessel
• trachea 

Tiny air sacs in the lungs that are the site of gas exchange between the lungs and blood.

• alveoli​
• relax
• diaphragm​
• nose

A wide muscle that separates the chest cavity from the abdominal cavity and aids in the inflation of the lungs.

• diaphragm​
• heart
• nose
• trachea

The beginning point of the respiratory system where air is taken into the body.

• lung
• diaphragm​
• nose​
• trachea​

The tube in the body through which air moves as it travels to and from the lungs;the windpipe.

• heart
• bone
• blood vessel
• trachea 

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

• bronchi
• lungs
• oxygen
• alveoli

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