Which describes the foramen magnum? a. large opening at the base of the skill that the spinal cord passed through b. shallow depression on the skull to which the jaw bone attaches c. large projection on the skill to which the jaw muscles attach d. tiny spaces between the fused bones of the skull

The answer is option A.

Explanation:

Foramen magnum is a piece of our anxious system.The spinal string goes through the foramen magnum, to enter the neural trench. Alongside the spinal nerves, certain veins and courses too go through this opening. Anthropologists affirm an immediate connection between upright two-legged strolling and the situation of the foramen magnum, a gap in the base of the skull that transmits the spinal rope. Examination of the skeletons of three bipedal well evolved creatures: an Egyptian jerboa, an eastern dim kangaroo and a human.