EVERYDAY SCIENCE

Detailed explanation-1: -Lymphocytes are round cells that contain a single, large round nucleus. There are two main classes of cells, the B cells that mature in the bone marrow, and the T cells that mature in the thymus gland.

Detailed explanation-2: -Platelets are round, disc-like bodies which are the smallest formed elements of the blood. They are colourless just like leukocytes. Blood normally contains 1, 500, 00-3, 500, 00 platelets mm–3. Platelets release a number of substances which are involved in blood clotting.

Detailed explanation-3: -The blood of the cockroach does not carry oxygen and also they don’t have vessels. So the blood of cockroaches can be said to be colorless or white as well.

Detailed explanation-4: -Platelets, or thrombocytes, are small, colorless cell fragments in our blood that form clots and stop or prevent bleeding. Platelets are made in our bone marrow, the sponge-like tissue inside our bones.

Detailed explanation-5: -White blood cells (WBCs) are colorless due to the absence of hemoglobin in them. Hemoglobin is a protein which gives the red color to the blood.