Excretion Flashcards
1
Q
What is excretion
A
Removal of waste products of metabolism from the body
2
Q
Osmoregulation
A
Control of water and salt balance in the body
3
Q
What are the 3 excretory organs and what do they excrete
A
Lungs-carbon dioxide and water
Skin- sweat (water and salts)
Kidneys- urine (water,salts,urea)
4
Q
How is urea formed
A
In liver by process called deamination
- breaking down amino acids into urea
5
Q
What’s the outer and inner layer of kidney called?
A
Outer- cortex
Inner-medulla
6
Q
What does ash do
A
Controls wether distal convoluted tubule and collecting duct reabsorb water or not
7
Q
What does ADH stand for
A
Anti diuretic hormone
8
Q
How is proximal convoluted tubule adapted
A
Thin walls, in folding , mitochondria for active transport
