Which part of the mammalian brain is responsible for voluntary activities of the body? 18. The sensory neurons plays a role in conducting impulses from the:

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17. Which part of the mammalian brain is responsible for voluntary activities of the body?
The cerebrum is the largest part of the brain and is responsible for higher-level functions, including voluntary movements, thought, memory, and sensory processing.

The correct option is B. Cerebrum.

18. The sensory neurons plays a role in conducting impulses from the:
Sensory neurons, also known as afferent neurons, are responsible for transmitting nerve impulses from sensory receptors (which detect stimuli) to the central nervous system (brain and spinal cord) for processing.

The correct option is A. Receptor to the central nervous system.