Secretion
Discharge
noun, する verb, の adjective
Part of you is starting to secrete some kind of secretion. It's kinda gross, so maybe you should go to the doctor to check if it's normal.
ぶんぴつ
ぶんぴ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
胃液は1日1～2Lも分泌されています。
Around 1-2 liters of gastric juices are secreted each day.