3.1.4 Gas Exchange

What is the primary muscle that drives inhalation and exhalation?

• diaphragm

• abdominal muscles

• intercostal muscles

• pectoralis minor

When we INHALE the diaphragm...

• Contracts

• Relaxes

When you breathe, your lungs take in ___ and remove ___.

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

Tags

NGSS.MS-LS2-3

What keeps your bronchi and bronchiole tubes open?

• cartilage rings

• ligament squares

• ciliated cells

• muscle

Gaseous exchange between the alveolar air space and the capillaries of the pulmonary circulation is driven by:

• Osmosis

• Active transport

• Simple diffusion

• Facilitated diffusion

Tags

NGSS.HS-LS2-5