The diffrence in the concentration of a substance between two regions
Concentration gradient
1 of 10
Volume of air breathed in or out per minute
Respiratory minute ventilation
2 of 10
The control of water and salt levels in the body which prevents problems with osmois
Osmoregulation
3 of 10
A group of blood vessels that supply the nephrons in many excretory systems
Afferent arterioles
4 of 10
A measure of the ability of water molecules to move freely in solution
Water potential
5 of 10
A measure of the total space occupied by the surface
Surface area
6 of 10
The movement of molecules down their concentration gradient, across a membrane, with the help of carrier proteins
Facilitated diffusion
7 of 10
The net movement of water molecules from an area of high water potential to an area of low water potential, down a water potential gradient and across a partially permeable membrane
Omosis
8 of 10
The contril of water and salt levelsm in the body wgich prevents problems with omosis
Osmoregulation
9 of 10
The movement of molecules agaisnt a concentration gradient, across a membrane
Active transport
10 of 10
Other cards in this set
Card 2
Front
Volume of air breathed in or out per minute
Back
Respiratory minute ventilation
Card 3
Front
The control of water and salt levels in the body which prevents problems with osmois
Back
Card 4
Front
A group of blood vessels that supply the nephrons in many excretory systems
Back
Card 5
Front
A measure of the ability of water molecules to move freely in solution
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