IDNStudy.com, ang iyong mapagkukunan ng eksaktong at maaasahang mga sagot. Tuklasin ang malalim na sagot sa iyong mga tanong mula sa aming komunidad ng mga bihasang propesyonal.
Answer:
Almost 99% of the human body mass consists of six main elements; namely: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphor; 65–90% of each cell in the body is composed of water, as such, oxygen and hydrogen are among the main constituents of the human body. Chemical symbol O2; 65% of the human body weight.