spontaneous+understanding
131endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
132Outline of physics — See also: Index of physics articles Physics (Greek: physis – φύσις meaning nature ) is a natural science pertaining to the study of matter[1] and its motion through spacetime and all that derives from these, such as energy and force.[2] More… …
