They fight off disease and viruses so you do not feel so much pain and will try and prevent you from becoming ill.
The NHS primarily makes people healthy when they are ill, the other part of the NHS is to keep people healthy with checkups and medicines that keep people healthy for example iron tablets to keep up the iron level in an individuals body.
Proper diet helps keep you healthy and fit. Medicines are important if you fall sick or are injured.
Eventually, probably. But someone who keep taking their medicines and go on checkups can keep healthy for years.
The seven signs of life help to keep the body healthy by creating movement and fluidity in life. For example, exercise and good nutrition are both signs of a healthy life which help keep the body healthy as well.
the nutritions in the food is what the body needs to keep it healthy
how does the lungs help the other systems to keep the body healthy?
They help you to keep a healthy diet.
The Earth is not healthy with storms because storm is electricty.
Calcium may help.
skin
Link below may help.
They help release energy stored in other nutrients.