2.5 Flashcards
(13 cards)
What is the role of thermoreceptors in temperature regulation?
They detect blood and skin temperature changes
What in the control centre controls in temperature regulation?
Hypothalamus in the brain
What hormone is released by the thyroid gland to increase metabolic rate?
Thyroxine
How do the endocrine and nervous systems work together in temperature regulation?
Thermoreceptors trigger the hypothalamus to send messages to effectors
What is the primary source of energy for the human body?
Glucose
Which hormones regulate blood glucose levels?
- Insulin * Glucagon
What happens when blood glucose levels increase?
The pancreas secretes insulin
What is the effect of insulin on liver and muscle cells?
Increases glucose uptake and conversion to glycogen
What is the outcome when glucagon is secreted?
Increases blood glucose levels by breaking down glycogen
What role does testosterone play in males during puberty?
Stimulates growth of sex organs and sperm production
What hormone is secreted from the ovaries to prepare the uterus for fertilization?
Oestrogen
What lowers blood glucose levels?
Insulin
What brings up your blood glucose levels?
glucagon