Answer:
we have two kidneys is so that there is some extra reserve of kidney mass in case we sustain some renal insult .The kidney is made up of nephrons, whose job is to filter, secrete and reabsorb solutes and water. More kidney mass = more nephrons.
Explanation:
she beamed X-rays through a molecule (X-ray crystallography) which gave a shadow picture by how the X-rays bounced off its component parts. this showed the double helix shape of dna
... This was genetically passed on through generations. This was passed through genes. The ancestors were immune, therefore, they are also immune.
Answer: Structure refers to how the body is put together-bones, muscles, tendons, and ligaments. Then onto the organ structure, down to the cellular level. Function refers to body work.
Explanation: I know this is right cause I had a test on this question before.