Enzyme tendon
system

special chemical that helps start or speed up chemical reactions

rope-like tissue that attaches muscle to bone

an organized group of objects working together for a common purpose.

Matching

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

The substances that are necessary for producing of certain hormones and that store and transport vitamins