Respiratory System Parts 2 & 3

Click on a type 1 pneumocyte

Tags

NGSS.HS-LS1-2

Click on a type 2 pneumocyte

Tags

NGSS.HS-LS1-2

Sort the following characteristics into the proper column:

Groups:

(a) Type I Pneumocyctes

,

(b) Type II Pneumocytes

• Make up 5% of the alveolar surface area

• Mediate gas exchange with the capillaries

• Cuboidal Cells

• Secrete pulmonary surfactant

• Squamos Cells

• Make up 95% of the alveolar surface area

Check all that are true regarding pulmonary surfactant

• Made of a bilayer of phospholipids

• Increases surface tension in alveoli

• Reduces surface tension in alveoli

• Made of a monolayer of phospholipids

Gases flow from an area of ​ ​ (a)   to and area of ​ (b)  

• high pressure
• low pressure
• equal pressure

Sort the following into the proper categories.

Groups:

(a) Inspiration

,

(b) Expiration

• Diaphragm relaxes

• Inhalation

• External intercostal muscles contract

• External intercostal muscles relax

• Internal intercostal muscles contract

• Diaphragm contracts

• Abdominal muscles relax

• Internal intercostal muscles relax

• Abdominal muscles contract

• Exhalation

Match the following

• External Intercostal muscles

• 
• Diaphragm Relaxing

• 
• Internal Intercostal muscles

• 
• Diaphragm Contracting

• 

Tags

NGSS.HS-LS1-2