Which is not one of the main functions of the cardiovascular system

fighting disease
removing wastes from cells
taking oxygen into the body
delivering materials to cells

Which term defines one's age as measured in years? chronological age biological age social age mental age

What a self improvement for a busy person who had difficulty finding time to exercise/ dropping out of clubs and activities/ refusing social invitations from friends/ scheduling daily invitation activity/ sleeping fewer hours at night

The three parts of the health triangle need to be and