Respiratory and Excretory System Quiz

The main function of the respiratory system is to take in oxygen and get rid of what?

• hydrogen
• carbon dioxide
• nitrogen
• helium

One of the main functions of the respiratory system is to get rid of carbon dioxide after it bring which gas into the body?

• nitrogen
• oxygen
• hydrogen
• helium

Oxygen enters the body through which two body parts?

• hand and foot
• ear and eye
• nose and mouth
• stomach and liver

What is the major organ of the respiratory system?

• lungs
• brain
• heart
• stomach

What is the scientific term for windpipe?

• esophagus
• trachea
• bronchi
• alveoli

What are the tubes called that branch out from the trachea?

• Alveoli
• Esophagus
• Capillaries
• Bronchi

In the lungs the bronchi branch out into small tubes which turn into tiny air sacs called what?

• Capillaries
• Sinuses
• Ventricles
• Alveoli

What are alveoli surrounded by?

• capillaries
• lymphatic vessels
• veins
• arteries

What is picked up by the capillaries in the alveoli?

• Carbon dioxide
• Nitrogen
• Water vapor
• Oxygen

Tags

NGSS.HS-LS1-7

What is taken from the blood by capillaries in the alveoli?

• Hydrogen
• Nitrogen
• Carbon dioxide
• Oxygen

Tags

NGSS.HS-LS1-7