Can you help me the name of the label of the nephron model

What is the best specimen for a urine collection?

This is a high magnification of the renal medullary rays. Identify A?

Which letter represents the site of filtration? A -D E

pick only one answer

Could you help me with this question? I don't know where to start. All the information has been provided.

Lab Ex 8 - kidney - Saved - O Search gn Layout References Mailings Review View Help 13.5 - A° AaBbCcl AaBbCc AaBbCcl A Aav Body Text Heading 7 1 No Spac. ab X, x² Paragraph Styles Font Chronic Pyelonephritis Pyelonephritis is initially a disease of the tubules. In later stages, the glomeruli may be affected. The colloidal areas are actually collagen and obviously collagen filled tubules are nonfunctional. Urinary tract infection is the usual cause of pyelonephritis. Why are diabetics prone to pyelonephritis? N

the easiest way to remember the flow of blood in urinary tract?

Give typing answer with explanation and conclusion

Please help me answer question 3