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Adrenaline (epinephrine)
- Adrenal gland
- derivative of the amino acid tyrosine
- Increases blood pressure, heart rate, and metabolism
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Estradiol
- Ovary
- Steroid (derivative of cholesterol)
- Induces and maintains secondary female sexual characteristics
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Insulin
- Beta cells of pancreas
- ProteinĀ
- Stimulates glucose uptake, protein synthesis, and lipid synthesis in various cell types
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Thyroid hormone (thyroxin)
- Thyroid gland
- Derivative of the amino acid tyrosine
- Stimulates metabolism in many cell types
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