Oxygenated

The video explains the concept of oxygenation, particularly in relation to blood. It describes how blood becomes oxygenated as it leaves the heart and lungs, and how it becomes deoxygenated after passing through body tissues, where it releases oxygen from red blood cells.

What does the term 'oxygenated' generally refer to?

• A state of being filled with carbon dioxide

• A state of being deprived of oxygen

• A state of being filled with nitrogen

• A state of being elevated with oxygen

When does blood become oxygenated?

• When it enters the heart

• When it circulates through the veins

• When it reaches the brain

• When it leaves the heart and lungs

Which part of the body is primarily responsible for oxygenating blood?

• The brain

• The stomach

• The heart and lungs

• The liver

What happens to blood as it passes through body tissues?

• It becomes oxygenated

• It gains carbon dioxide

• It becomes deoxygenated

• It loses carbon dioxide

What is the primary function of red blood cells in the context of oxygenation?

• To carry oxygen

• To transport nutrients

• To regulate temperature

• To fight infections