Chapter 9 - The Excretory System Flashcards
1
Q
Name the 3 excretory organs.
A
1) The lungs
2) The kidney
3) The skin
2
Q
What does the skin excrete?
A
Water and salt
3
Q
What do the kidneys excrete?
A
Urea, water and salt
4
Q
What do the lungs excrete?
A
Carbon dioxide and water vapour.
5
Q
What is the urinary system made up of?
A
The kidneys Renal artery Renal vain Untethers Bladder Urethra
6
Q
What is the function of the urinary system?
A
To get rid of urea, excess water and salt.
7
Q
Describe how the urinary system works.
A
Blood enters the kidneys through the renal artery and is filtered. In this filtration, urea, water and salt are converted into urine. This urine travels down the untethers into the bladder. The bladed stores urine until it is ready to be released through from the body through the urethra.
8
Q
What is excretion?
A
The removal of wastes made in the body’s cells.
