Answer:
Your question is poorly written, but I could still tell you that the functional unit of the kidney is the renal glomerulus, Bowman's capsule.
Explanation:
Bowman's capsule is the renal unit in the form of a hollow glans in which the substances to be excreted are filtered. It is located at the beginning of the tubular component of a nephron in the kidney of mammals. Enclosed within Bowman's capsule is the glomerulus.
Lymphocyte is one of body immune cells that works by fighting bacteria. To distinguish foreign material to body material, lymphocyte can detect a series of protein called antigen. Most antigen is represented by macrophages. In response to the antigen, lymphocyte might produce an antibody which will bind to the antigen.
Answer: Antigen
Answer:
It doesnot have a nucleus to increase the surface area
Explanation:
Red blood cells carry oxygen from our lungs to the rest of our bodies .Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.