Hello please help me need aanswer

First of all, "Prevention is better than cure".

In real life,

If you have enough knowledge to help the injured person then you can do so. Minor injuries can be cured by anyone who has knowledge in human health often known as First Aid. This helps in solving minor situations.

But for major injuries, you have to be a doctor or can only be treated by professionals who is specialized in a certain field, such as medicine.

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .

i think the answer is strength