Blood components and function

What is the primary function of blood in the human body?

• To digest food

• To regulate body temperature

• To transport oxygen and nutrients

• To produce hormones

Which protein in plasma contributes significantly to osmotic pressure?

• Globulin

• Albumin

• Hemoglobin

• Fibrin

What is the main role of hemoglobin in red blood cells?

• To regulate pH levels

• To produce antibodies

• To transport oxygen

• To fight infections

Which type of white blood cell is responsible for killing bacteria?

• Eosinophils

• Neutrophils

• Lymphocytes

• Basophils

Why is blood type O considered a universal donor?

• It can only donate to AB blood types

• It contains Rh factors

• It has no markers to be recognized as foreign

• It has both A and B markers