Match each hormone with its source gland. oxytocin

progesterone

testosterone

thyroid-stimulating hormone

estrogen

growth hormone

The answer is below

Explanation:

1. oxytocin - Pituitary gland: contract uterus and milk ducts in women

2. progesterone - Ovaries: boost the lining of the uterus for fertilization; also develops the breasts for milk production

3. testosterone - Testes (testicles): establish and strengthen male sexual traits and development

4. thyroid-stimulating hormone - Pituitary gland: formulates production and secretion of thyroid hormones

5. Estrogen - Ovaries; concerns with the female sexual traits, including uterus, breast, and bones

6. Growth hormone - Pituitary gland: concerns about fat, growth development, and protein intake

b) the heart is a pump made of muscle and that is difficult to grow in the lab.