excretion

Question 1

define excretion

Answer 1

the removal of metabolic waste from the body

Question 2

what is the process by which amino acids are broken down

Answer 2

deamination

Question 3

how does the build up of metabolic products affect the body

Answer 3

some metabolic products such as CO2 and ammonia are toxic. they interfere with cell processes by altering the PH
other metabolic products may act as inhibitors and reduce activity of essential enzymes

Question 4

how is most CO2 transported in the blood

Answer 4

as hydrogencarbonate ions

Question 5

how are hydrogencarbonate ions formed

Answer 5

CO2 +H20->H2CO3
H2CO3->H(positive)+HCO3(negative)