Question

What are the components of the secondary respiration center?

1) Sensory tracts
2) Motor tracts
3) Cerebellar peduncles
4) All of the above

Answer 1

The secondary respiration center refers to the respiratory centers in the brain, specifically the DRG and VRG in the medulla oblongata. These centers are responsible for the rhythmic pattern of breathing but do not include sensory tracts, motor tracts, or cerebellar peduncles.

Step-by-step explanation:

The components of the secondary respiration center are not explicitly listed in the options provided. However, we can discuss the respiratory centers of the brain that control breathing, which involves the medulla oblongata containing the dorsal respiratory group (DRG) and the ventral respiratory group (VRG). These are not to be confused with sensory tracts, motor tracts, or cerebellar peduncles which are different components of the central nervous system.

The respiratory centers are responsible for generating the rhythmic pattern of breathing. The DRG is involved in maintaining a constant breathing rhythm by stimulating the inspiratory muscles, whereas the VRG is involved in forced breathing. They do not typically include sensory tracts, motor tracts, or cerebellar peduncles as their primary components. These other elements, such as the cerebellar peduncles, are involved in motor coordination and sensory feedback but are not part of the respiratory centers.