Too hot or too cold … . What responses does the body have to temperature?. How does it respond when it is too hot?. How does it respond when it is too cold?. How temperature is controlled in the long term…. ID: 509961
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Research and summarise the sympathetic and parasympathetic system
Slide2Too hot or too cold …
What responses does the body have to temperature?
How does it respond when it is too hot?
How does it respond when it is too cold?
Slide3How temperature is controlled in the long term…
The hormone
thyroxine
increases the metabolic rate and increases heat production.
Thyroxine
secreted by the thyroid gland.
When the hypothalamus detects a drop in temperature it secretes
thyrotrophin
releasing hormone (TRH)
TRH stimulates the production of thyroid stimulating hormone (TSH) which stimulates the production of
thyroxine
.
Thyroxine
results in the production of more mitochondria. This leads to a greater rate of respiration and more heat being released.
This method takes a lot of time and tends to take place over a couple of days.
Slide4Task
How is temperature measured?
How is hypothermia detected and treated?
What are the symptoms of hyperthermia?
Slide5Define the following:
Effector
Receptor
Negative Feedback
Autonomic
Sympathetic
Parasympathetic
Slide6Answer Q’s 1-4 on p.239
Slide7Slide8
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