A. Calcium carbonate B. Calcium phosphate C. Calcium sulphate D. Calcium nitrate Advertisement Related Mcqs: How many milky teeth or primary teeth does a human have?A. 33 B. 20 C. 15 D. 32 Submitted by: Jeetesh How many bones are there in a newly born infant?A. 206 B. 230 C. 280 D. 300 How many bones in our body?A. 102 B. 306 C. 206 D. 204 Submitted by: Zahid Ameen The number of facial bones in a human body ________?A. 15 B. 14 C. 22 D. 26 Submitted by: Rida Bones Ash contain?A. calcium sulphate B. phosphoric sulphate C. Calcium sulphate D. None of these Submitted by: H@yii How many bones are in human Eyes?A. Three B. Four C. Five D. Seven Submitted by: Adnan Malik Joint in which bones are joined together by fibrous tissues is called _____________ ?A. Fibrous joint B. Cartilaginous joint C. Synovial joint D. Ball and socket joint Submitted by: Rashid Mehmood how many bones in each foot ?A. 26 B. 27 C. 28 D. 30 Submitted by: Muhammad Asif Khajjak How many bones in each hand?A. 26 B. 27 C. 28 D. 30 Submitted by: Muhammad Asif Khajjak How many bones are in Human Skull?A. 22 B. 25 C. 26 D. None of these Submitted by: Muhammad Asif Khajjak Advertisement The correct answer to the question: "What is the main component of bones and teeth?" is "Calcium phosphate".