BIOD 152 AP Module 2 Questions and answers: The Brain SUMMER 2024

The Brain 1. List the four parts of the human brain. Cerebrum, brain stem, diencephalon, and cerebellum. 2. Describe the number, location and function of the brain ventricles. 2 lateral, 1 third, 1 fourth. Cavities within the brain that are filled with cerebrospinal fluid. 3. Label the ventricles. 4. Describe the brain meninges and the layers. The meninges are three layers of connective tissue membranes that cover and protect central nervous system organs and enclose cerebrospinal fluid. The leathery dura mater is the double-layered outer meninx. The middle arachnoid meninx is a loose layer separated from the dura mater by the subdural space. Beneath the arachnoid meninx is the subarachnoid space, which contains blood vessels and is filled with cerebrospinal fluid. The inner pia mater meninx is a thin connective tissue tightly attached to the brain.