The spinal cord ends at the the spinal cord ends at the conus medullaris dorsal ganglion cauda equina filum terminale

Spinal chord ends in Filum terminale. Filum treminale is a fibrous tissue that extends about 20cm from the tip of conus medullaris 

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.

The answer would be c