Internal secretions of glands which manufacture substances that aid the body in developing and in doing its work in the U.S.
United States USA Date:1922 Duration:1 min 24 sec Sound:NO SOUND
Educational film on health and hygiene. Glands and their functions are identified on an inanimate model in the United States. An inanimate model shows oil glands which keep scalp and hair healthy. The inanimate model shows tear glands which clean and lubricate the eyes. Salivary glands and gastric glands aid in digestion. The inanimate model depicts that the internal secretion of the thyroid gland influences the activity of the brain and nerves.
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