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List and briefly describe the seven factors that affect a country's average birth rate and total fertility rate.
Adrenaline
A hormone also known as epinephrine that increases heart rate, muscle strength, blood pressure, and sugar metabolism, released in response to stress.
Hypergonadism
A condition characterized by excessive activity of the gonads, leading to an overproduction of hormones and, in some cases, early onset of puberty or fertility issues.
Gonad
A reproductive gland (ovaries in females and testes in males) that produces gametes (eggs or sperm) and sex hormones.
Parathyroid Hormone
A hormone produced by the parathyroid glands that regulates the levels of calcium and phosphorus in the body.
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