Define homeostasis
List the two types of feedback mechanisms.
Which is an example of a negative feedback loop?
In negative feedback loops the imbalance
When it is cold outside, you start to shiver because your body temperature drops. Shivering increases the body temperature returning it to normal. Shivering is an example of a
Which is an example of a positive feedback loop?
Put the steps of a negative feedback loop in order
a message is sent to the brain
the brain sends a message to an effector (tissue/gland)
a change is detected by a receptor
tissue or gland responds by releasing a hormone or sweat
body slowly returns to normal
Which of the following is the best example of homeostasis in the human body?
In which of the following ways does perspiring (sweating) help the body to maintain homeostasis?
When you excerise, you breathing and heart rate increases because your muscles need more oxygen. Your breathing returns to normal when you stop excerising. Is this an example of homeostasis?