Controlling Blood Glucose Levels (B1)

Hormones:

Hormones are chemical messengers in the body. They are secreted by endocrine glands. They travel in the blood to target organs. They reguate many body processes. 

Pancreas - Insulin

Testes - Testosterone

Ovaries - Oestrogen and Progesterone

Nervous System - Via neurones, fast

Hormones - Via blood, slower

Glucose levels too high:

• Pancreas secretes (releases) insulin
• Insulin travels in blood to liver
• Liver takes in more glucose
• Glucose is stored as glycogen
• Result: Less glucose in blood

Glucose levels too low:

• Pancreas stop producing insulin
• Liver cells break down glycogen into glucose
• Result: More…