Deoxygenated

The video explains the concept of a substance having oxygen removed, focusing on its application to blood returning to the heart after circulating through body tissues that extract oxygen from red blood cells.

What is the term used for a substance that has had oxygen removed?

• Saturated

• Hydrated

• Deoxygenated

• Oxidized

Where is the concept of oxygen removal most commonly applied?

• In the brain

• In blood returning to the heart

• In the stomach

• In the lungs

What happens to blood after it circulates through body tissues?

• It becomes acidic

• It loses oxygen

• It gains oxygen

• It becomes thicker

Which cells are responsible for carrying oxygen in the blood?

• Red blood cells

• Platelets

• White blood cells

• Nerve cells

What is extracted from red blood cells as blood circulates through tissues?

• Carbon dioxide

• Nutrients

• Water

• Oxygen