Overview
When your body or body processes try to maintain an equal system of
Homeostasis
Addiction
What is positive?
Causes a response
What is a stimulus?
Symptoms such as fever, vomiting, and sneezing try and remove this
What is a microbe/bacteria infection?
This body system uses blood to deliver nutrients, water, and oxygen.
Cardiovascular System
What is positive and negative?
Body Temperature
What is negative?
Causes an effect
What is response?
A disease where the body cannot regulate blood glucose levels
What is diabetes?
This system sends very fast signals to the body using electricity
What is the nervous system?
The two organs or cells that respond to stimuli
What are muscles and glands?
Blood Glucose Level and Hunger
What is negative?
Makes the stimulus repeat or continue
What is positive feedback?
This system acts when you get an infection to return your body to homeostasis, sometimes it's too good at it's job
What is the immune system?
Fruit ripening is an example of this feedback loop
Positive feedback loop
The 3 steps (in order) for a feedback loop.
What is stimulus, response, and effect?
Blood Clotting
What is positive?
Makes the stimulus stop
What is negative feedback?
Your body releases ghrelin to signal you're hungry, but if you eat too much this new signal will "shout" at your body to stop
What are pain signals?
What system do plants rely on to send signals, remember they don't have brains.
Endocrine System, Hormones