National 5 Biology 2.2 Hormones

Hormones are released from (a)   glands

Hormones are made of

• Fat

• Carbohydrates

• Protein

Hormones are transported around the body in the

(a)  

• A

• B

• C

• D

Answer explanation

Hormones such as insulin and glucagon are made by the PANCREAS

THEY THEN TRAVEL TO THE LOVER

• A

• B

• C

• D

• A

• B

• C

• D

Answer explanation

The question tells us that the hormone travels in the blood, and then the kidneys regulate water balance, so the kidneys are the target.

The diagram shows a hormone binding with its target cell. Structure x identifies the

(a)  

When blood glucose levels increase or decrease, this change is detected by receptors in the

• Liver

• Pancreas

• Brain

• Kidneys

When blood glucose levels increase, the pancreas responds by releasing

• Glycogen

• Glucagon

• Insulin

When blood glucose levels decrease, the pancreas responds by releasing

• Glycogen

• Glucagon

• Insulin