Their ability to digest foods other than milk and absorb the nutrients from those foods into the bloodstream has matured greatly, and their kidneys are now capable of handling greater demands than can be dealt with by a newborn's excretory system.
(Their ability to digest foods other than milk and absorb the nutrients from those foods into the bloodstream; has matured greatly; ) (their kidneys; are; T:now; capable of handling greater demands than) (their kidneys; of handling; greater demands than)
Their ability to digest foods other than milk and absorb the nutrients from those foods into the bloodstream their kidneys their kidneys
has matured greatly are of handling
T:now capable of handling greater demands than
greater demands than