Which of the following is an example of negative feedback?
• When body gets too warm, blood vessels dilate and the skin produces sweat
• When contractions move a baby from the uterus to the birth canal, more contractions occur
• When a baby drinks a mother's milk, it triggers the release of the hormone prolactin, releasing more milk
When tissue is tom or injured, a chemical is released. This chemical causes platelets in the blood to activate. Once these platelets have activated, they release a chemical which signals more platelets to activate
1 answer
When tissue is torn or injured, a chemical is released. This chemical causes platelets in the blood to activate. Once these platelets have activated, they release a chemical which signals more platelets to activate.
4 answers