Front

What are red blood cells?

Back

Red blood cells (erythrocytes) are anucleate cells that transport oxygen from the lungs to the body and carbon dioxide from the body back to the lungs.

Front

What does it mean that red blood cells are anucleate?

Back

Anucleate means that red blood cells do not have a nucleus, which allows for more space to carry hemoglobin and thus more oxygen.

Front

What can the relative abundances of white blood cells indicate?

Back

The relative abundances of white blood cells can indicate various health conditions, such as allergic reactions, infections, and other immune responses.

Front

What is the normal hemoglobin range for adult females?

Back

The normal hemoglobin range for adult females is 12 to 16 g/100 mL.

Front

What is one function of blood?

Back

Blood functions to transport gases, nutrients, hormones, and wastes throughout the body.

Front

What is NOT a function of blood?

Back

Producing O2 is not a function of blood; blood transports oxygen but does not produce it.

Front

What blood types can cause a cross-reaction with type A blood?

Back

Type B and AB blood can cause a cross-reaction with type A blood.

Front

What is the role of hemoglobin in red blood cells?

Back

Hemoglobin is a protein in red blood cells that binds to oxygen and carries it from the lungs to the tissues.

Front

What is the primary function of white blood cells?

Back

The primary function of white blood cells (leukocytes) is to defend the body against infections and foreign invaders.

Front

What are platelets and their function?

Back

Platelets (thrombocytes) are cell fragments that play a crucial role in blood clotting and wound healing.