7. Run for your life Flashcards
(2 cards)
1
Q
why does the heart continue to beat after being removed from the body
A
heart/ cardiac tissue is myogenic which means that cardiac muscle where it can initiate its own contractions without the need for nervous stimulation
2
Q
describe how the production of sweat is controlled during exercise in humans
A
- by homeostasis/ a negative feedback loop
- thermoreceptors in the skin/ hypothalamus detect a rise in temperature
- impulses are sent to the heat loss centre in the hypothalamus.
-heat loss centre sends impulses to the sweat glands - to increase sweat production
