5.1.2 excretion Flashcards
1
Q
define excretion
A
removal of metabolic waste from the body / cells
2
Q
why do we have to remove CO2 from the body?
A
so it does t compete with o2 to joint to hb in the blood
3
Q
why do we need to remove nitrogenous waste from body?
A
it forms NH3 which is toxic to cells
4
Q
what type of blood does the hepatic artery in the liver carry?
A
oxygenated
5
Q
what type of blood does the hepatic vein carry?
A
deoxygenated
6
Q
4 connections of a liver lobule
A
- hepatic artery
- hepatic vein
- hepatic portal vein
- bile duct
7
Q
what does the central vein lead to?
A
hepatic vein
8
Q
what does the hepatic portal vein carry?
A
nutrients and toxins
