1) Produces thyroxine, which controls the rate of metabolism. a) Testes b) Pancreas c) Thyroid gland d) Brain 2) Produces insulin which controls blood sugar levels a) Testes b) Brain c) Ovary d) Pancreas 3) Produces testosterone which causes the changes at puberty and stimulates sperm production. a) Brain b) Testes c) Pancreas d) Thyroid gland 4) Contains a sensitive centre called hypothalamus, which controls the pituitary gland. a) Pancreas b) Testes c) Thyroid gland d) Brain 5) Produce adrenaline  which prepares the body for rapid activity by increasing the heart rate and level of sugar in the blood and diverting blood to muscles and brain. a) Adrenal Gland b) Brain c) Pancreas d) Thyroid gland 6) Produces oestrogen which causes changes at pubery and helps control the menstrual cycle. a) Testes b) Pancreas c) Adrenal Gland d) Ovary

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