44.3 excretory process

Question 1

how does excretion work

Answer 1

1- filtration of body fluid
2-reabsorption
3- secretion
4-excretion

Question 2

filtration

Answer 2

the body fluid is filtrated where large molecules cannot pass into the excretory tubule and small molecules like salts sugars amino acids pass through

Question 3

filtrate

Answer 3

the mall molecules like salts sugars amino acids that pass through

Question 4

reabsorption

Answer 4

recovers useful molecules from the filtrate and returns it to the body

(active transport)

Question 5

secretion

Answer 5

selective ext rations of toxins and excess ions are extracted and added to the contents as well

Question 6

exctretion

Answer 6

leaves the body as urine