Answer:
Allows for the breathing in of oxygen. Removes carbon dioxide from the body.
Explanation:
When you inhale in you get oxygen from the air and it goes into your blood. Right at the same time carbon dioxide comes out of your blood into, goes into your lungs and gets exhaled.
Your answer is the nuclear envelope, The nuclear envelope is a double membrane of the nucleus that encloses the genetic material. It separates the contents of the nucleus from the cytoplasm.
Aerobic exercise stimulates the heart rate and breathing rate to increase in a way that can be sustained for the exercise session. In contrast, anaerobic ("without oxygen") exercise is activity that causes you to be quickly out of breath, like sprinting or lifting a heavy weight.
Answer:
In my opinion i think fevers are helpful because when we are feeling bad we can test our temperature with a thermometer. Also fevers turn on the body's immune system. So therefore they help the body fight infection.
Explanation:
I think the word is Biomagnification