DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Our blood consists of various types of cells. It is a liquid which has various types of cells suspended in it. It contains RBC, WBC, plasma and platelets. They have different functions to perform. Which of the following contains the pigment that binds oxygen and transports it to all parts of the body?
(a) RBC
(b) WBC
(c) Plasma
(d) Platelets
Correct Answer: (a) RBC
Explanation:
RBC: Red blood cells (RBCs), also known as erythrocytes, are the component of blood that allows the transportation of oxygen and removal of carbon dioxide from the body. RBCs are made in the bone marrow and usually live for 120 days.
Hemoglobin (Hb) is the type of protein, present inside the RBCs, and gives blood its characteristics red color.
Its main function is to bind oxygen and allow the transportation of oxygen across the body and the removal of carbon dioxide from the body.
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