Mapa mental
Excretory System
Mind map: excretory system
Contenido del mapa
Excretory System
What?
- Lungs- CO2
- Kidney- Urea
- Skin- urea
- Liver- bile salts
Why?
- To expel wastes that have been made by cells as a by-product of metabolism. If waste accumulates then it becomes toxic
How?
- Nitrogenous waste, water and other substances combine to make urine
- The greater the toxicity of the waste, the more water required to dilute it for excretion
Where
- Lungs- removes CO2 from blood
- Kidney- removes urea from blood
- Skin- removes quantities of urea from blood
- Liver- removes pigment (haemoglobin) from warn out red blood cells
http://www.youtube.com/watch?v=TZMJeZL-BVg
Información
- Descripción
- (4. Gaseous exchange and Transport) Biology Mapa Mental sobre Excretory System, creado por Kass el 16/05/2013.
- Creado por
- Kass
- Visitas
- 117
- Etiquetas
- Valoración