Question

1. which male gland produces testosterone? a) testes b) pituitary c) pancreas d) thyroid 18. which endocrine gland links the nervous system and endocrine system? a) hypothalamus b) pituitary c) adrenal d) pancreas 19. which hormone regulates blood sugar? a) cortisol b) estrogen c) insulin d) thyroxine 20. which disorder is caused by low insulin production? a) asthma b) diabetes c) epilepsy d) stroke 21. which part of the hindbrain regulates rem sleep and assists with breathing?

Explanation:

1. The testes are the male gonads that produce testosterone.
2. The hypothalamus links the nervous and endocrine systems by regulating the pituitary gland.
3. Insulin is the hormone that regulates blood - sugar levels by allowing cells to take in glucose.
4. Low insulin production leads to diabetes, as insulin is crucial for glucose uptake.

Answer:

1. A. Testes
2. A. Hypothalamus
3. C. Insulin
4. B. Diabetes