Excretion (mostly best done with kidney diagram)

Question 1

Diuretic

Answer 1

A substance which results in the production of large amounts of dilute urine

Question 2

Selective reabsorption

Answer 2

Where required substances, such as glucose are actively transported into the blood from the filtrate

Question 3

Ultrafiltration

Answer 3

Where small molecules are forced, under pressure, out of the blood in the glomerulus and into the Bowman’s capsule

Question 4

Urea

Answer 4

The main form in which nitrogen is excreted in mammal (diluted in water to form urine)