Blood glucose levels are regulated by which organ?
A) heart
B) blood vessels
C) kidneys
D) pancreas

I think it’s D. glucose should be regulated by the Pancreas but i’m not 100%

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass