What is not a way to protect your skeletal and muscular systems from injury? a. lift heavy objects with your knees straight. b. stand and sit in a correct manner for proper alignment of bones, joints and muscles. c. participate in regular physical activity. d. lift heavy objects with your knees bent.

lifting heavy objects with straight knees

Explanation:

3.07 Unit Test: Body Systems

it's a common sense question think with coll head now there is the options for you - a) it's a wrong question b)in his dream c) he is dead d)sleeping during the night time

explanation:

be confident on yourself. ignore such fools and move on ; )