What is the role of thyroxine in the body?
Thyroxine regulates metabolism, ensuring that the body’s cells receive enough energy for normal functioning.
How do hormones like estrogen and testosterone influence puberty?
Estrogen (in females) and testosterone (in males) regulate the development of secondary sexual characteristics, such as breast development in girls and facial hair in boys, during puberty.
What is the function of adrenaline during stressful situations?
Adrenaline increases heart rate, breathing rate, and blood glucose levels to prepare the body for the "fight-or-flight" response in stressful situations.
How does insulin regulate blood sugar?
Insulin helps lower blood glucose levels by promoting the uptake of glucose into cells, where it can be used for energy or stored as glycogen.
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