Q.

What is an example of a positive feedback mechanism?

Q. The two types of feedback systems that help organisms maintain homeostasis are:

Q. Maintaining body temperature is an example of a:

Q. The term for maintaining internal temperature is: 

Q. Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.

Q. If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.

Q. When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 

Q. Homeostasis

Q. When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

Q. Which system sends electrical messages that helps control the body's responses to internal and external changes?

Q.

What hormone is produced in the pancreas that lowers blood sugar?

Q. These two body systems regulate feedback mechanisms.