These are minute biconcave disc-like structures, flat in the centre, thick and rounded at the periphery.
These are minute biconcave disc-like structures, flat in the centre, thick and rounded at the periphery.
The correct option is D RBCs
Red blood cells (RBCs) are made inside your bones, in the bone marrow. Their small size plus the concavities on either side provide a large surface area which makes them very efficient in absorbing oxygen. Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for you to exhale.
Hormones are special chemical messengers in the body that are secreted by glands that are involved in the bodily function.
WBCs, are also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, viruses, and germs that invade the body.
An antibody, also known as an immunoglobulin, is a large Y-shaped protein produced by B- cells and are used by the immune system to identify and neutralize foreign objects such as bacteria and viruses.
RBCs
Red blood cells (RBCs) are made inside your bones, in the bone marrow. Their small size plus the concavities on either side provide a large surface area which makes them very efficient in absorbing oxygen. Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for you to exhale.
Hormones are special chemical messengers in the body that are secreted by glands that are involved in the bodily function.
WBCs, are also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, viruses, and germs that invade the body.
An antibody, also known as an immunoglobulin, is a large Y-shaped protein produced by B- cells and are used by the immune system to identify and neutralize foreign objects such as bacteria and viruses.
