Answer:
D. all of the above
Explanation:
Sending signals is what computers do like me typing which will send the computer a signal that I am writing this letter. I also, control my breathing and heart rate with my brain, the brain sends nerves through the spinal cord which makes me move and sends them to other parts of the body so they can move too. Therefore, it is just like that.
Adults have 206 bones in all
Answer is A. Auto immune disease is of the highest priority as it can lead to rapid death.
Answer: physical health
Explanation:
Physical health simply refers to the well being of our body. It has to do with how well our body is functioning as human beings.
Physical health involves eating proper diet, regular exercise and also having a proper rest. Having enough energy to go to school and being able to carry out everyday tasks without the person becoming overly tired are sign of good physical health. A person who is fit physically fit can run without the person being breathless.