Introduction To The Excretory System (lesson 1)

Question 1

What is excretion?

Answer 1

Removal of wastes of metabolism from body

Question 2

What happens if the wastes aren’t removed from excretion and what is it called? (Kidney T—– L——)

Answer 2

Build toxic levels and organisms would die + Kidney Threshold level

Question 3

Organs involved in excretion?

Answer 3

1) Lungs
2) Kidneys
3) Skin

Question 4

What is metabolic wastes?

Answer 4

Cellular respiration and breakdown of proteins

Question 5

What waste products are filtered into the bowmans capsule?

Answer 5

1) Water
2) Urea
3) Glucose
4) Amino Acids
5) Vitamins
6) Salts and other ions

Question 6

Simple definition for the two processing ways of wastes before they are excreted

Answer 6

1) Detoxification: Turns toxic substances into non-poisonous in the body
2) Deamination: Amino acids to carbohydrates for storage. converts NH3 (ammonia) into urea