Which of the following accurately describes the function of the mylohyoid muscle in the human body?
A) The mylohyoid muscle is primarily responsible for closing the jaw during chewing.
B) The mylohyoid muscle elevates the hyoid bone and floor of the mouth during swallowing and speaking.
C) The mylohyoid muscle facilitates the movement of the tongue during speech.
D) The mylohyoid muscle controls the opening and closing of the vocal cords.