Based on the given below diagram of the brain, select the option that correctly represents the function of the labeled structure 'A'.
It forms a connection between the first ventricle and the second ventricle.
It serves as a relay center within the brain.
It consists of nerve fibers that connect the two cerebral hemispheres.
It plays a role in regulating the fundamental rhythm of inhalation and exhalation.
'A' represents the corpus callosum, which is a bundle of nerve fibersThe corpus callosum is a structure in the brain that connects the left and right hemispheres. It is made up of a bundle of nerve fibers that allow communication and coordination between the two sides of the brain. Hence, the correct answer is option 3.
Explanation for incorrect options
Option 1 is incorrect because The Foramen of Monro connects the first ventricle and second ventricle to the third ventricle.
Option 2 is incorrect because The thalamus acts as a relay center for sensory and motor signals between the cerebral cortex and other parts of the brain.
Option 4 is incorrect because The medulla regulates cardiovascular reflexes, gastric secretion, and respiration.