Hello, I would love to know why do humans cry.

The answer is at the bottom!! ;)

Explanation:

Humans have to cry because when you cry your body releases endorphins and oxytocin. These natural chemical messengers help relieve emotional distress along with physical pain. In other words, crying is a self-soothing behavior.

Hope this answers your question!! ;)

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.