What is the major difference between lakes and ponds?

Ponds have plants growing in them while lakes do not.

Lakes are temporary while ponds are permanent.

Light reaches the bottom of a pond, but does not reach the bottom of a lake.

Ponds are man made while lakes are natural

The equator absorbs the most sunlight

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.

Bees shall never produce milk no matter what but this is a joke and the answer is a breast that produces milk.