Because humans have five senses: feel, see, taste, hear, and smell. When you step on a nail you basically going to feel it and you brain can sense that and it can trigger nerves which can cause pain.
Answer: People get fat by eating to much food it is healthy to exercises such as jumping,running,walking or even push ups or sits ups its important to keep the body in shape for example Start Strength Training, it means to train your body as best as u can to lose some weight a other example is Follow a High-Protein Diet it helps the body to not cause health problems or death.
Explanation: https://www.healthline.com/nutrition/best-ways-to-burn-fat
https://www.cdc.gov/healthyweight/losing_weight/index.html
Answer:
negative energy balance
Explanation:
Negative energy balance occurs when caloric intake is lower than energy expenditure
