Answer: Option A,C and D.
Explanation:
Platelets are tiny blood cells that form clots in the body when there is bleeding due to damaged blood vessels.
Haemoglobin are protein that is found in the red blood cells which help to carry oxygen in the blood to the body parts.
Red blood cells are called erthrocytes and are produced from the bone marrow. When they are matured, they are deposited into the blood stream. They help to carry oxygen in the blood.