Our immune system defends us from familiar or weak germs.
Answer: you can tell if they are limping or walking strange and or have a swelled up ankle they probably sprained it if you are unsure you can always ask an adult or professional for help.
Answer:
Funny because I just learned about this
Homeostasis is not a collection of organs, but a synthesis of bodily functions that collectively keeps the entire body stable. In order to keep homeostasis at optimum it must have access to an adequate supply of energy. Our body’s energy comes from the sun.
Explanation: