Question: 100% NCERT covered from Particular Keyword.Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET 2018
Which of the following structures or regions is incorrectly paired with its function ?
1. Medulla oblongata: controls respiration and cardiovascular reflexes.
2. Limbic system: consists of fibre tracts that interconnect different regions of brain; controls movement.
3. Hypothalamus: production of releasing hormones and regulation of temperature, hunger and Thirst.
4. Corpus callosum: band of fibers connecting left and right cerebral hemispheres.
Answer:2. Limbic system: consists of fibre tracts that interconnect different regions of brain; controls movement.
👉Human neural system consists of two parts : (i) central neural system (CNS)
and (ii) the peripheral neural system. The CNS consists of the brain and spiral
cord. The brain can be divided into three major parts : (i) forebrain, (ii) midbrain
and (iii) hindbrain. The forebrain consists of cerebrum, thalamus and
hypothalamus. The cerebrum is longitudinally divided into two halves that are
connected by the corpus callosum. A very important part of the forebrain called
hypothalamus controls the body temperature, eating and drinking. Inner parts
of cerebral hemispheres and a group of associated deep structures form a
complex structure called limbic system which is concerned with olfaction,
autonomic responses, regulation of sexual behaviour, expression of emotional
reactions, and motivation. The midbrain receives and integrates visual, tactile
and auditory inputs. The hindbrain comprises pons, cerebellum and medulla.
The cerebellum integrates information received from the semicircular canals of
the ear and the auditory system. The medulla contains centres, which control
respiration, cardiovascular reflexes, and gastric secretions. Pons consist of fibre
tracts that interconnect different regions of the brain. The entire process of
involuntary response to a peripheral nervous stimulation is called reflex action.