Posture, ________, is maintained as a result of muscle contraction.

Question

A. Such as singing and painting

B. Such as sitting and standing

C. Such as jumping and skipping

D. All of the above

Answer 1

http://www.google.com/webhp?source=search_app#hl=en&tbo=d&sclient=psy-ab&q=posture+definition&oq=posture+d&gs_l=serp.1.1.0l4.97744.102726.0.105883.10.10.0.0.0.0.116.984.6j4.10.0.les%3Bcqn%2Ccconf%3D1-2%2Cmin_length%3D2%2Crate_low%3D0-035%2Crate_high%3D0-035%2Csecond_pass%3Dfalse%2Cnum_suggestions%3D2%2Cignore_bad_origquery%3Dtrue%2Conetoken%3Dfalse..0.0...1c.1.vLtlJ4v6GeM&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.&fp=5abf6276490b67b7&biw=711&bih=453

I'll be glad to check your answer.

Answer 2

It's B