That would be D. Isovolumic contraction
As the name states during ISOvolumic contraction the volume of the ventricles doesn’t change and stays the same so no blood enters or leaves the ventricles. The thing that changes is the pressure of the ventricles that increases.
I can explain the process more if u want in the comments:)
A GWAS can be performed by actually genotyping as few as 300000 to 1million
They are composed of proteins. I cannot see the options but hopefully that answer is in one of them
Bc you’re supposed to poop everyday no matter what you eat and helps make certain digestions come out