The by-products of cellular respiration include a) energy and oxygen. b) glucose and oxygen. c) carbon dioxide and water. d) glucose and carbon dioxide.

The answer to this question would be:  C) carbon dioxide and water

In cellular respiration, the glucose will react with oxygen, resulting in ATP, carbon dioxide and water.  Adenosine triphosphate or ATP is the main product of this reaction since it can be used to produce energy. So, water and carbon dioxide would be the by-product.

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.