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Multiple Choice
Which of the following components of blood is primarily responsible for transporting nutrients, hormones, and waste products?
A
Red blood cells
B
Platelets
C
White blood cells
D
Plasma
Verified step by step guidance
1
Begin by understanding the composition of blood, which consists of several components: red blood cells, white blood cells, platelets, and plasma.
Red blood cells are primarily responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide to the lungs for exhalation.
White blood cells are part of the immune system and are responsible for fighting infections and other foreign invaders.
Platelets are involved in blood clotting, helping to prevent bleeding by forming clots at sites of injury.
Plasma is the liquid component of blood that serves as a medium for transporting nutrients, hormones, and waste products throughout the body. It makes up about 55% of total blood volume and contains water, salts, enzymes, antibodies, and other proteins.