I believe it's B. Plasma and red blood cells are the 2 main components of blood.
The process that transports
solutes, including many drugs, into the tubular fluid is called tubular
secretion. Under this process, there is transfer of materials from peritubular
capillaries to the renal tubular lumen and the secretion is caused mainly by
active transport and passive diffusion.
I have attached my resume for your reference and
<span>Animalia -</span><span> Mammals, amphibians, reptiles, birds, fish, mollusks, and insects
are all included in this kingdom.</span>