I: | The cartilage has a very hard matrix due to calcium salts in it. |
II: | The bone has highly pliable matrix due to chondroitin salts. |
Statement I: | A single U-shaped bone called hyoid is present at the base of the buccal cavity and it provides attachment to the tongue. |
Statement II: | The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull). |
I: | cervical region with 7 vertebrae |
II: | thoracic region with 12 vertebrae (12) |
III: | lumbar region with 4 vertebrae |
IV: | sacral (2-fused) and coccygeal (2-fused) regions |
Statement I: | Each rib is a thin flat bone connected ventrally to the vertebral column and dorsally to the sternum. |
Statement II: | Each rib has two articulation surfaces on its ventral end and is hence called bicephalic. |
I: | Each limb is made of 30 bones. |
II: | Carpals are 8 in number |
III: | Tarsals are 7 in number |
IV: | Metacarpals are 5 in number |
V: | Metatarsals are 4 in number |
I: | is a part of the pectoral girdle. |
II: | articulates with acromion process of scapula and with sternum |
III: | is commonly called the collar bone. |
Statement I: | Sutures are fibrous joints that do not allow any movement. |
Statement II: | The joint between the adjacent vertebrae in the vertebral column is a cartilaginous joint and it permits limited movements. |
I: | Ball and socket joint | Between humerus and pectoral girdle |
II: | Hinge joint | Knee joint |
III: | Pivot joint | Between atlas and occipital bone |
IV: | Gliding joint | Between the carpals |
V: | Saddle joint | Between carpal and metacarpal of thumb |