Compare and contrast the roles of carbohydrates and lipids

The role of carbohydrates is to provide energy, and they are the body's main source of fuel. Lipids play many important roles, from providing energy to producing hormones. You wouldn't be able to digest and absorb food properly without lipids. 

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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.