The reason that a student does not feel the gravitational pull of the sun is because?

You don't fell the sun gravity because you and the earth are both in orbit with around the sun. Being in orbit means that u are accelerating into the sun the same way u would be accelerating in a free fall

Ithink the answer is d.

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.