Excretory System: Structures

Question 1

What are the main structures of the excretory system?

Answer 1

Kidney
Ureters
Bladder
Urethra

Question 2

Where are the kidneys located?

Answer 2

Either side of the spine below the rib cage

Question 3

Where does ultrafiltration occur?

Answer 3

In the Nephron

Question 4

What is filtrate?

Answer 4

The plasma that comes from the glomerulus

Question 5

What is the kidneys function?

Answer 5

Collects water
Filters bodily fluids
Maintains balance of electrolytes, and water and plasma
Removes and concentrates the waste products
Eliminates waste products (via sweating, urine and faeces

Question 6

What order do the main structures follow?

Answer 6

Kidneys-> ureters -> bladder -> urethra

Question 7

What is a nephron?

Answer 7

Part of the kidney where the general filtering of waste occurs

Question 8

What are the ureters?

Answer 8

Paired muscular tubes which carry urine to the bladder

Question 9

What is the bladder?

Answer 9

A hollow muscular organ that expands with urine from the kidneys

Question 10

What are the layers of the kidney?

Answer 10

1.Mucosa
2.Submucosa
3.Muscularis
4.Outer layer

Question 11

What is the urethra?

Answer 11

A tube that moves urine from the urinary bladder (and sperm) out of the body