Endocrine System Worksheet
An 11th-grade science worksheet covering the human endocrine system, including gland functions, hormones, and feedback mechanisms.
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Endocrine System Worksheet
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Read each question carefully and provide your best answer. Refer to the diagram of the human endocrine system as needed.
The Human Endocrine System
1. Which gland is often referred to as the 'master gland' due to its role in controlling other endocrine glands?
Thyroid gland
Adrenal gland
Pituitary gland
Pancreas
2. Which hormone is primarily responsible for regulating blood sugar levels?
Thyroxine
Insulin
Adrenaline
Estrogen
3. The gland produces hormones that regulate metabolism, energy, and body temperature.
4. Hormones are chemical messengers transported through the to target cells.
5. The adrenal glands are located on top of the kidneys.
True
False
6. Exocrine glands secrete hormones directly into the bloodstream.
True
False
7. Briefly explain the difference between a positive feedback loop and a negative feedback loop in the endocrine system. Provide an example for each.
Match each gland with the primary hormone it produces.
8. Pancreas
a. Thyroxine
9. Thyroid
b. Cortisol
10. Adrenal Cortex
c. Insulin