Answer:
Biological Anthropologist
Explanation:
Biological Anthropologist studies human evolution, variation and adaptation in relation to changes in the environment
Humans ferment lactic acid in muscles where oxygen becomes depleted, which is why sometimes if you finish a run and don't stretch soon you have have discomfort. <span />
I believe those are both non-contact forces bc it's not something physical
Each cell in the human body contains about 25,000 to 35,000 genes.
