The temporary release of serotonin has been found to memory formation, and the temporary release of stress hormones has been found to memory formation.

The temporary release of serotonin has been found to facilitate memory formation, and the temporary release of stress hormones has been found to facilitate memory formation.

Explanation:

Both serotonin and stress hormones have been proven to ease the formation of memory. Serotonin is found in the enteric nervous system, the central nervous system, and also stored in blood platelets; while stress hormones such as cortisol and adrenalin are produced by the adrenal gland when stimulated by either the hyphotalamus or the sympathetic nervous system.

what following? you said which of the following. but there is no be more specific.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.