<span>The skeletal
system serves important functions in the body. It provides the general shape
and form of the human body. Without it, we will be amoeba-like and gelatinous
in form. It also holds several tissues of the body together, serves as
protection for organs, and is responsible for the movements that the body
performs. It is an integral part of the human structure because they provide
the necessary attachments that the muscle fibers need in order to perform different
motions. </span>
Answer:
Enrique's story contradicts: <u>The gateway hypothesis</u>
Explanation:
The gateway hypothesis states that a person that abuses the cosumtion of an specific drug for a period of time, can inherntly grow an inclination to try other llicit drugs that are harder or more harmful.
Answer:
At least an hour a day of physical activity.
Explanation:
Correct Matches
E. decreased joint stiffness 1. when the joints move more easily
A. improved range of motion 4. when the muscles and joints are more flexible
B. shoulder flexibility test 9. performed by trying to grab your hands behind your back
C. lactic acid 8. a by-product of exercise
D. muscle fibers 10. the muscle cells
K. standard sit-and-reach test 6. measures back and leg flexibility
F. improved the ability to relax 5. lowers blood pressure and blood sugar
J. improved circulation 2. results in fewer varicose veins
L. antagonistic muscles 11. the front and back muscles of your leg
H. myofibrils 7. slide together to shorten a muscle
G. improved posture 3. comes from equally worked antagonistic muscles
I. flexibility exercises 12. reduces the chance of muscle injury
