What are the two nodes in the heart that are the pace makers?

It would be the sinoatrial node and atrioventricular node.

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The sinoatrial node is the normal natural pacemaker of the heart and is responsible for the ... It is an elongated structure extending between 1 and 2 cm on the right from the crista terminalis the crest of the right atrial appendage, and runs

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.