ambulation means the ability to walk without any type of assistance
Both the nervous and endocrine systems play a vital role in the survival of a person. They send messages to target areas in order to support life. The messages sent by the nervous system which are being released into a synapse are called neurotransmitters while the ones sent by the endocrine system via the bloodstream are called hormones.
if muscles are not used on a regular basis they become weak and less flexible, the way to offset this effect is to exercise more often.
Call your doctor/prescriber to see if you might need emergency birth control