Formation of urine Flashcards
1
Q
What makes up the urinary system?
A
Millions of nephrons in the kidney
2
Q
What is the blood flow?
A
Aorta to the renal arteries to the afferent arterioles to the efferent arterioles to the Renal venule to the renal vein to the inferior Venna cava to the heart and lungs
3
Q
What is the urine flow?(filtrate)
A
Bowmans capsule—> proximal, convoluted tubule—> loop of Henley—> distal convoluted tubal—> collecting ducts—> ureters—> bladder
4
Q
What are the four steps in urine formation
A
- Glomerular filtration
- Tubular reabsorption
- Tubular secretion
- Water reabsorption.
5
Q
Where does blood first enter to start the filtration process?
A
Glomerulus
6
Q
What is the glomerulus
A
High pressure blood filter (4x the pressure)
7
Q
What is nephric filtrate?
A
Blood plasma, but without proteins, blood cells, platelets
