Gas exchange

Which of the following are features of the alveoli that adapt them to gas exchange?
I. High surface area
II. Thin walls
III. Dry surfaces

• I and II only
• I only
• II and III
• I, II and III

What keeps mucus and dirt out of your lungs?

• Your diaphragm
• Your nostril
• Your heart
• Cilia

Oxygen from the air enters the blood stream at what location?

• trache
• bronchus
• alveolus
• bronchioles

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

• Bronchi
• Alveoli
• Capillaries
• Bronchioles

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

• Bronchi
• Trachea 
• Oxygen
• Alveoli

Tags

NGSS.HS-LS1-7

What is the tube that is also known as your windpipe?

• Esophagus
• Bronchi
• Trachea
• Alveoli

What reactants are there in cellular respiration?

• Water and Glucose
• Oxygen and Glucose
• Carbon Dioxide and Water
• Twenty One Pilots

What is x?

• Trachea
• Vocal Cord
• Aveoli
• Pharynx

How do human beings get rid of carbon dioxide?

• it is excreted
• it is exhaled

When the diaphragm contracts and moves down, the lungs are...

• expanding with air
• shrinking - pushing air out