The is a layer of cells that surrounds an axon and helps to accelerate the transmission of information. a: soma b: nerve c: myelin sheath d: axon terminal

C: myelin

Explanation:

its the substance that surrounds nerve cell axons

Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points. In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.

Explanation:

Chimpanzee lobes may be smaller than human lobes