Posture control and muscle tone is an important function of _________

The red nucleus is a mass of grey matter located in the midbrain (mesencephalon).

It plays an important role in the extrapyramidal motor system.

Its primary function is the regulation of muscle tone and the maintenance of posture.

Pons varolii acts as a bridge connecting different regions of the brain and contains the pneumotaxic centre which helps in regulating respiration.

Crura cerebri consists of nerve fibres connecting the cerebral cortex to other parts of the central nervous system.

Thalamus acts as a major coordinating centre for sensory and motor signalling.

Thus, posture control and muscle tone is an important function of the red nucleus.

Answer: Red nucleus