Answer:
It's too hard
Explanation:
do you go to school. What grade/year are you in?
Since one of two ( or both ) parents carry the CF gene found in chromosome 7, that can therefore leave the child suffering from Cystic Fibrosis.
Well, an endoskeleton is an internal skeleton, like humans have.
Pro: Bones do not get broke as easily, since they are inside of the body. Bones that break also heal more quickly in an endoskeleton, since they have tissue and blood surrounding it and transferring nutrients.
Con: The flesh can get easily damaged. There is no shedding with endoskeletons, so a new skeleton cannot be grown in the event of an injury.
Answer:
Because if the 4-year-old child passes out from holding his breath, he will immediately begin breathing again, keeping him alive.
