Health

6. a flexible connective tissue that keeps joint motion fluid by coating the surfaces of the bones
7. bone, forms the hard external layer of all bones,
8. and socket joint, provides swinging and rotating movements.
9. joint, a freely moveable joint
10. a spongy substance found in the center of the bones
12. formed by the tarsal and metatarsal bones, strengthened by ligaments and tendons
13. bone, support the weight of the body and facilitate movement
16. it does not operate on the values of variables;
19. bone, are arranged such that one side of the bone bears tension and the other withstands compression
21. protection of the spinal cord; it also provides stiffening for the body
22. forms the head in the human skeleton

1. acid, produced in muscle cells and red blood cells
2. forms the pelvis by joining with the hip bones
3. a sudden and involuntary contraction of one or more of your muscles.
4. the angle between bones on two sides of a joint,
5. when an organ pushes through an opening in the muscle or tissue that holds it in place
6. has a great tensile strength
11. while the insertion is the attachment site that does move when the muscle contracts.
14. the main function is to produce a mucus that moisturizes the inside of the nose.
15. tone, the maintenance of partial contraction of a muscle,
17. girdle , responsible for providing structural support to your shoulder region on the left and right
18. marrow, is involved in production of blood cells,,
20. joint, a common type of synovial joint formed between bones surfaces.