Which one of the following categories of vertebrae are correctly numbered

1. Cervical — 7
2. Thoracic — 10
3. Lumbar — 4
4. Sacral — 4

Human skeleton altogether contains 213 bones. Which of the following are exactly 6 in number?

1. Neck vertebrae
2. Ear ossicles
3. Carpals
4. Metacarpals

The inorganic constituents of bones are :

1. Calcium and sodium
2. Calcium and phosphorus
3. Carbon and nitrogen
4. Calcium and carbon

Bone cells are technically termed as :

1. Myocytes
2. Chondrocytes
3. Leucocytes
4. Osteocytes