Front

Blood is 2/3___________ and 1/3_________.

Back

liquid and cells

Front

Who discovered blood types in 1901?

Back

Karl Landsteiner

Front

What do white blood cells do?

Back

Help keep the body safe from invaders by making antibodies.

Front

Red blood cells carry______________.

Back

oxygen

Front

What are antibodies?

Back

Proteins created by white blood cells that protect the body from antigens.

Front

What is plasma?

Back

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

Front

What is the primary function of red blood cells?

Back

To transport oxygen from the lungs to the body's tissues.

Front

What role do platelets play in the blood?

Back

They help in blood clotting to prevent bleeding.

Front

What is the function of hemoglobin?

Back

A protein in red blood cells that binds to oxygen.

Front

What are antigens?

Back

Substances that can trigger an immune response.