NADPH is a reduced form of NADP+. The latter features an extra hydrogen ion in its chemical structure. When NADP+ transforms into NADPH, the other hydrogen ion is released as part of the reaction while the other hydrogen ion becomes a part of the NADPH structure.
12C,13C,14C
these are all carbon Isotopes
Respiratory- You breath faster to help supply the muscles with more oxygen.
Integumentary (skin) - Sweat helps cool down the body.
Probably Mary's doctor will not doctor a chronic villus sampling because of her first time pregnancy at the aged of 37 and her doctor ordered so many series of routine screening procedure. The doctor will not order a chronic villus sampling on Mary.
Problem solving I believe