1.   During acupuncture the body releases natural chemicals which relieve pain and make the patient feel relaxed and well.

2.   Electrical equipment is a source of low radiation and it also releases chemicals when warm.

3.   Sewage plants that turn sludge into safer materials certainly help the environment, but they do release some chemicals.

4.   The first cell releases a chemical called a neurotransmitter into the synaptic gap.

5.   The factory faced serious fines for releasing dangerous chemicals into the river.

6.   During exercise, the body releases chemicals in the brain that make you feel better.

7.   Additionally, this waste is a potential source of pollution when it degrades, releasing undesirable chemicals into the soil and air.

8.   Bees should not be swatted, because a squashed bee releases a chemical that infuriates the other bees.

9.   Brittle says Sumitomo will release dangerous chemicals, specifically hydrofluoric acid, into the environment while manufacturing the shiny silicon wafers from which computer chips are made.