(脊椎骨)

(脊椎骨) A quick revision on locomotion in humans. What did you learn yesterday ? 1. ____________ connects muscle to bone. 2. _____________ prevents dislocation of bones at the ________ (關節). 3. An important mineral found in bone is __________ ______________. 4. _____________ is soft bone, in the human body, it is found in the ear, nose, trachea, _______ (the voice box) and between ____________ (脊椎骨). 5. The skeletal system consists of the axial skeleton and the __________________ skeleton. 6. The ________ (頭顱) consists of many small bones _______ together. 7. The vertebral column supports the body weight, protects the ________ _________ and provides surfaces for __________ ______________. 8. The rib cage consists of the ribs and the ____________. 9. The pectoral girdle supports the fore-limbs, the _______ ________ supports the hind-limbs (後肢, 下肢). 10. The two major types of effectors of the body are ___________ and ___________. 11. Tendons __________ (傳遞) the pulling force produced by muscle contraction to the bones. 12. Ligaments consist of ______ (hint : 5 letters, 堅韌) sheets of elastic fibres. 13. A muscle which bends a limb when it contracts is called a _________. On the other hand, an _____________ straightens the limb. 14. In the movement of the forearm, the _________ is the flexor whereas the ___________ is the extensor. 15. The elbow joint is a ___________ joint. It allows movement of bones in a ______ ___________. 16. The ______ and __________ joint allows movement of bones in three planes, i.e. in all directions. Examples are the ___________ joint and the hip joint. 17. To prevent body deformity and occupational hazard, maintenance of a correct __________ is important. 18. Wearing high - __________ shoes for a long time can be harmful to our body : tendon of the leg muscle is stressed, heel bone is forced up.