Assertion: Oesophagus pierces the diaphragm and enters the abdominal cavity. Reason: Peristaltic movement starts from oesophagus.A. If both assertion and reason are true and reason is the correct explantion of assertionB. If both assertion and reason are true but reason is not the correct explnantion of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Assertion: Oesophagus pierces the diaphragm and enters the abdominal c

1.	Assertion: Oesophagus pierces the diaphragm and enters the abdominal cavity. Reason: Peristaltic movement starts from oesophagus.A. If both assertion and reason are true and reason is the correct explantion of assertionB. If both assertion and reason are true but reason is not the correct explnantion of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.
Answer» Correct Answer - B Oesophagus is a long and thin tube that pierces the diaphragm and enters the abdominal cavity. Peristaltic movement of contraction oand relaxation of muscles starts from oesophagus.