Animal Respiration

What is the main function of the respiratory system?

• To break food down
• Circulate the blood
• Supply the blood with oxygen

What is the name of the tiny air sacs in your lungs?

• Bronchioles
• Ravioli
• Alveoli
• Bronchus

When you breathe in air, you bring oxygen gases into your lungs and blow out ________ gases.

• Carbon dioxide
• Carbon monoxide
• Oxygen
• Hydrogen

The respiratory system is made up of the trachea, the lungs, and the ___________. 

• Liver
• Diaphragm
• Esophagus
• Pancreas

Your body couldn’t breathe without this system. Which one is it?

• Perspiration system
• Photosynthesis
• Urinary system
• Respiratory system

When you inhale, your lungs:

• Expand
• Turn purple
• Smaller
• Do a dance

The trachea is a part of the respiratory system. What can the trachea also be called and what is its function?

• Windpipe, conduct and filters the air we breathe
• Windpipe, releases air out of the body
• Tubes; carries air to the lungs
• Tubes; carries air to the liver

What is the purpose of the cardiovascular system?

• Transporting oxygen around the body
• Bodily movement
• Fighting off disease and infection
• Protection of organs

What is the major organ associated with the respiratory system?

• Heart
• Lungs
• Tendons
• Nostrils

What is the process called when you breath in the air?

• inhalation

• exhalation