What does not using mobil phone while studing with

Using a mobile phone while studying can distract students. It's much easier to study if a student is wholly focused on their work, and using a mobile phone for non work related activities will probably delay the work process.

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.