Anatomy and Physiology of the Respiratory System

Which is the major organ of the respiratory system where the gas exchange takes place, carbon dioxide is given off, and oxygen is taken in?

• kidneys

• intestines

• lungs

• appendix

Which organ(s) carry air into the lungs?

• bronchi and bronchial tubes

• sinuses

• alveoli

• diaphragm

Which of the following is a large muscle that separates the chest cavity from the abdominal cavity and helps with breathing? 

• larnyx

• diaphragm

• trachea

• bronchus

Which of these is the job of the respiratory system?

• Holding up the body and giving it support and shape.

  
  

• Gas exchange between the external environment and the body's circulatory system.

  
  

• Breaking down food for it to be used by the body.

  
  

• Generating energy for the continuance of the bodily functions

Small air sacs in the lungs where many capillaries exchange carbon dioxide for oxygen are ___________.

• bronchi

• alveoli

• trachea

• cartilage

Which tube carries air down to the windpipe?

• larnyx

• pharynx

• sinuses

• bronchus

The windpipe is known as ___________.

• larynx

• trachea

• adenoid

• esophagus

A flap over the trachea that keeps out food and anything else that could clog the trachea is known as ____________.

• pharnyx

• larnyx

• epiglottis

• cartilage

What are the bony thorax made up of?

• sternum

• ribs

• thoracic vertebrae

• all of the above