Human Blood

Front

What are the main components of human blood?

Back

Plasma, red blood cells, white blood cells, platelets.

Front

What is the primary function of red blood cells?

Back

To transport oxygen from the lungs to the body's tissues and carry carbon dioxide back to the lungs.

Front

What is the role of white blood cells in the body?

Back

To protect the body against infections and foreign invaders.

Front

How many pints of blood are in the average human?

Back

Approximately 10 pints.

Front

What is plasma?

Back

The liquid component of blood that carries cells, nutrients, hormones, and waste products.

Front

What are platelets responsible for?

Back

Helping with blood clotting to prevent bleeding.

Front

What is the function of hemoglobin in red blood cells?

Back

To bind oxygen and transport it throughout the body.

Front

What type of blood cell is primarily involved in the immune response?

Back

White blood cells.

Front

What is the average lifespan of a red blood cell?

Back

About 120 days.

Front

What is the difference between arteries and veins in relation to blood?

Back

Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.