Corpus luteum is maintained by this embryonic structure in the case of pregnancy:

What is the major extracellular cation?

Glucose is reabsorbed completely in this part of the nephron:

Kidneys are located intraperitoneally.

What structures are indicated with the letter “I”?

The function of structures “E” and “H” is to create the medullary gradient of salt.

What is the major intracellular cation?

The macula densa cells are found in:

The filtration membrane is composed of these structures:

The pick of progesterone secretion is during this phase: