Unfortunately this question is incomplete as no options are provided. IN actual fact,<span> four muscles are involved in mastication. Three of these are responsible for biting down, namely the masseter, the temporalis and the medial pterygoid, whereas one, the lateral pterygoid, is responsible for opening of the jaw</span><span>. All four muscles help to move the jaw laterally.</span>
Answer:
Gametes
Explanation:
Gametes consist of sperm cells and egg cells...
A and D have a good day bye bye bye
Parietal cells produce the acid