Formation of urine

Question 1

What does the urine contain?

Answer 1

All the substances that the body does not want

Question 1

What is the filtrate flows from the collecting duct called?

Answer 1

Urine

Question 2

Is the composition, amount and colour of urine constant?

Answer 2

Not constant

Question 3

What is the composition, amount and colour of urine affected by?

Answer 3

Diet, exercise, volume of liquid is drunk, health

Question 4

How much litres of urine are produced daily?

Answer 4

1,0 - 1,5 litres

Question 5

How much percent of urine is water?

Answer 5

96%

Question 6

How much percent of urine is salts?

Answer 6

1,5%

Question 7

How much percent of urine is urea?

Answer 7

2%

Question 8

What else occurs in the urine?

Answer 8

Uric acid, creatinine, ammonium ions, drugs, colourants and preservatives

Question 9

From the collecting duct where does the urine passed through next?

Answer 9

Passes into the renal calyx then into the renal pelvis

Question 10

How is the year in propound along the ureters to the bladder?

Answer 10

Peristaltic movement - muscular walls

Question 11

How long is the urine stored in the bladder?

Answer 11

Until it can be expelled through urethra

Question 12

What is the expulsion of urine from the bladder called?

Answer 12

Urination or microturtion

Question 13

How much urine can the bladder hold?

Answer 13

200ml - hold more double

Question 14

Why is urination a reflex action?

Answer 14

Triggered by the filling of the Baddow

Question 15

What does the impulses from the atomic nervous system stimulate the bladder muscles to do you?

Answer 15

Contract and the internal sphincter to relax

Question 16

What happens when the internal sphincter relax?

Answer 16

External sphincter opens voluntarily