Oxigenado, -a

The transcript explains the process of blood oxygenation and deoxygenation. It describes how blood becomes oxygenated as it leaves the heart and lungs, delivering oxygen to tissues throughout the body. The blood then becomes deoxygenated as it passes through these tissues, losing some of the oxygen carried by red blood cells.

What is the primary role of oxygen in the blood?

• To provide energy to red blood cells

• To transport nutrients

• To remove carbon dioxide from the body

• To oxygenate tissues throughout the body

Where does blood become oxygenated?

• In the brain

• In the liver

• In the heart and lungs

• In the stomach

What happens to blood as it passes through body tissues?

• It gains more oxygen

• It becomes deoxygenated

• It changes color

• It increases in volume

Which cells are primarily responsible for carrying oxygen in the blood?

• Nerve cells

• White blood cells

• Platelets

• Red blood cells

What is the term used for blood that has lost some of its oxygen?

• Deoxygenated blood

• Oxygenated blood

• Hydrogenated blood

• Carbonated blood