Circulating hormones can stimulate various muscles in the body, depending on the type of hormone and its target tissues. Some of the muscles that can be stimulated by circulating hormones include:
- Smooth muscles in blood vessels: Hormones such as adrenaline and noradrenaline can cause vasoconstriction or vasodilation in blood vessels, affecting blood flow and blood pressure.
- Cardiac muscle: Hormones such as adrenaline can increase heart rate and contractility, leading to increased cardiac output.
- Skeletal muscles: Hormones such as growth hormone and testosterone can stimulate muscle growth and repair, while cortisol can break down muscle tissue for energy during times of stress.
- Respiratory muscles: Hormones such as adrenaline can stimulate the diaphragm and other respiratory muscles to increase breathing rate and depth during fight or flight responses.
- Uterine muscles: Hormones such as oxytocin can stimulate contractions of the uterine muscles during labor and childbirth.
Overall, hormones play a crucial role in regulating muscle function and growth in the body.
What muscles do circulating hormones stimulate
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