Question

Largest corpuscles of mammalian blood are
A. Lymphocytes
B. Basophils
C. Erythrocytes
D. Monocytes

Answer 1

Blood is an important body fluid that moves through the vessels of a circulatory system in humans and other animals to deliver necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from the cells. Blood is connective tissue. The components of blood include plasma, blood cells, and platelets.

Complete answer:
Blood is a type of connective tissue and fluid in nature. It passes through the vessels of a circulatory system. Necessary substances like nutrients and oxygen are supplied to the cells through the help of blood. Blood is also responsible for the transport of metabolic waste products to the excretory organs from cells. Blood performs a vital role in regulating the body’s systems and maintaining homeostasis. It performs as the messenger functions as the hormones are moved through blood. Blood helps in maintaining body pH and body temperature. Blood is responsible for the detection of foreign material by antibodies.
Blood consists of a liquid component as we call the solid components. The liquid component of blood is called plasma, the solid components include the blood cells. These blood cells remain suspended in plasma. These blood cells are also known as blood corpuscles or formed elements that consist of two types of blood cells, one is red blood cells or RBC also known as erythrocytes, and the other is white blood cells or WBC also known as leukocytes. Platelets or thrombocytes are also presented in blood. The red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
The lymphocyte is a type of white blood cell. It is an immune cell that is formed in the bone marrow and is found in the blood and lymph tissue. The two main types of lymphocytes observed that are B lymphocytes and T lymphocytes. The size of the lymphocytes is 7 - 16uM.
Basophils are also a part of white blood cells which is also produced in the bone marrow. It also performs in the immune system of the body. Basophils are 10 - 14 uM long in size.
Erythrocytes or the red blood cells is a type of blood cell that is also made in the bone marrow through the process of hemopoiesis. Erythrocytes contain a type of protein called haemoglobin, which transfers oxygen from the lungs to all parts of the body.
Monocytes are a type of white blood cell which are agranular white blood cells because they do not contain granules. These cells are formed in the bone marrow and 15 - 20 uM long in size. These are the largest blood corpuscles.
Therefore, the correct answer is option D.

Note: Blood is liquid type connective tissue that is circulated in the body through the blood vessel by the help of the heart’s pump. It is composed of various components like plasma, red blood cells, or erythrocytes, white blood cells, or leukocytes, and platelets. These cells vary in their sizes. Monocytes are a type of agranular white blood cell, and 15 - 20 uM long in size are the largest blood cells in humans and other mammalians.