Homeostasis and Feedback Loops Flashcardizz

Front

Homeostasis

Back

a process that aims to maintain a stable internal environment in the body

Front

If the environment gets cold, we will often shiver in order to:

Back

increase body temperature

Front

An example of a negative feedback mechanism is ...

Back

All of the above

Front

Maintaining body temperature is an example of a:

Back

negative feedback mechanism

Front

True or False: cells are the smallest unit of life

Back

True

Front

What are the levels of organization starting from simple to complex?

Back

cells- tissues- organs- organ systems- organisms

Front

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

Back

Insulin

Front

True or False: Our organ systems work separately and do not interact with each other at all in our bodies

Back

False

Front

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. This is an example of what type of feedback?

Back

Positive Feedback

Front

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas starts producing insulin, which opens the cells to allow glucose to enter, lowering blood sugar levels. This is an example of a:

Back

Negative Feedback mechanism