Little Harold overcame his fear of water after two bullies had held him under the water. Although he swam the rest of the season without noticeable fear, on the first day of swimming the next summer, he began to cry and said he was scared. What had occurred?

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.