Im pretty sure the first one is cells, theyre basically what make us.
the second one may be muscles but im not entirely sure.
but the third one should be jobs or function. different cells can do different things
Answer: Aerobic Heart Rate Zone
This is the zone to aim for when training for endurance. It spurs your body to improve your circulatory system by building new blood vessels and increases your heart and lung capacity. Aiming for 20 to 60 minutes in this zone is believed to give the best fitness training benefits.
Like all types of dementia, Alzheimer's is caused by brain cell death. It is a neurodegenerative disease, which means there is progressive brain cell death that happens over a course of time. The total brain size shrinks with Alzheimer's - the tissue has progressively fewer nerve cells and connections.
