A compound called Bilirubin gives bile its colour. Where does it come from?

Correct Answer: A

Rationale: Bilirubin is a breakdown product of hemoglobin from red blood cells, processed by the liver and excreted in bile.

Correct Answer: A

Rationale: Negative feedback reduces the stimulus as the product accumulates, maintaining homeostasis.

Correct Answer: A

Rationale: Podocytes form a filtration barrier in Bowman's capsule, preventing large molecules from entering the filtrate.

Correct Answer: B

Rationale: Average daily water intake is about 2300 cm³ (2.3 liters), including food and drink.

Correct Answer: B

Rationale: Disaccharidases, such as sucrase, lactase, and maltase, digest disaccharides into monosaccharides for absorption.