The most logical cause would be an infection.
most likely cellulitis
Your answer would be false because cells are actually the main building blocks of organs. Have an awesome day!!
10 million people suffer from a lack of Iron or iron deficiency, while 5 million people have iron deficiency anemia in the US.
I would say endurance.Sorry if wrong
It's D because first thing you do when you are aging into a adult is find a job