Question

what is known as heartburn​

Answer 1

Answer:

Heartburn is a burning pain in your chest, just behind your breastbone. The pain is often worse after eating, in the evening, or when lying down or bending over. Occasional heartburn is common and no cause for alarm.

Answer 2

Answer:

the oesophagus has rings of muscles from the top till bottom. if the rings of muscles present in the bottom does not keep the lower part of the oesophagus tightly closed between swallows, acid from the stomach can come up in the oesophagus.this creates burning sensation,called heartburn.it has nothing to do with the

heart.

Explanation: