Ramus communicans contains . . . . . . nerve fibres.

What types of areas are present in the cerebral cortex?

Consider the following statements regarding the human brain:
$1.$ The cerebrum has a highly convoluted surface,which provides space for more neurons.
$2.$ The medulla oblongata is connected to the spinal cord.
$3.$ The medulla oblongata contains centers for respiration,cardiovascular reflexes,and gastric secretions.
Which of the above statements are correct?

Statement $I :-$ The cerebral medulla is referred to as the grey matter due to its greyish appearance.
Statement $II :-$ The neuron cell bodies are concentrated in cerebral medulla giving the colour.

In the diagram of the lateral view of the human brain,parts are indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the part which they indicate.

Select the correct option:
$(1)$ The $Hypothalamus$ / $Thalamus$ controls body temperature,hunger,and thirst.
$(2)$ $Bipolar$ neurons are found in the embryonic stage / $Cerebral$ $cortex$.