Question

‌ ‌If a person cannot walk in a straight line or cannot balance a ride on a bicycle, probably which part of the brain is not working properly?
A. Cerebrum
B. Cranium
C. Cerebellum
D. Hypothalamus

Answer 1

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Hint:‌ ‌‌‌Human nervous system consists of the central nervous system and peripheral nervous system. The brain and spinal cord are parts of the central nervous system. Different areas of the brain have various important functions to perform.

Complete‌ ‌answer:‌ ‌‌ ‌
A neuron is the basic structural and functional unit of the neural system. They are highly specialized cells and perform basic functions of coordination and control. The impulse generated by certain stimuli travels through the neuron and helps to perform various activities by the body. The brain contains several neurons packed together to form various structures. Parts of the brain include the forebrain, midbrain, and hindbrain.
The cerebellum is the part of the brain that controls the control and coordination of body movements. We cannot perform day to day functions if our cerebellum is damaged. It is linked with certain anatomical structures present in the inner ear that helps the cerebrum to analyze the different postures of our body.
The cerebrum is the centre of voluntary activities. The hindbrain includes pons and medulla that controls most of the involuntary activities.
Hence, the correct option is C.

Note:‌ ‌‌There are several clinical conditions in which proper control and coordination of the body are lost due to several reasons. Parkinson's disease is an example. It is caused by abnormalities in the neurotransmitter levels in the brain.