BIOL 2401 LSCO A&P1 Lab Exam 4 Sanford
ID & Some Functions, minus Cranial Nerves
Questions and Answers 2026 Latest Update
Central Nervous System (CNS) Ans: brain and spinal cord, body's
decision maker
Peripheral Nervous System (PNS) Ans: Nerves and Ganglions. The
sensory and motor neurons that connect the central nervous
system (CNS) to the rest of the body.
anterior cavity of eye Ans: between cornea and lens, filled with
aqueous humor
Posterior cavity of the eye Ans: filled with vitreous humor
Ossicles Ans: Malleus (hammer), Incus (anvil), Stapes (stirrup)
Corpus Callosum Ans: a broad band of nerve fibers joining the two
hemispheres of the brain.
gyrus (gyri) Ans: Hills/Ridges
sulcus (sulci) Ans: shallow grooves
primary motor cortex (precentral gyrus) Ans: control voluntary
skeletal muscle activity; "one thought, one action"
Central Sulcus Ans: separates frontal and parietal lobes
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