Tergosternal muscles help in

Assertion (A): Muscles of stomach wall possess thick layers of muscle fibers. Reason (R): These muscles help in mixing the food with the enzymes present in the alimentary canal.

Assertion: In the anus of earthworm, depressor muscles are found. Reason: These muscles help in the eimmation of excretion om rectum

Assertion: In the anus of earthworm, depressor muscles are found. Reason: These muscles help in the elimination of excretion from rectum

Diaphragm contracts to help in "_____________" while the contraction of abdominal muscles helps in "_____________" .

Diaphragm contracts to help in __________ while the con- traction of abdominal muscles helps in _______________

Fill in the blank: Diaphragm contracts to help in ……………while the contraction of abdominal muscles help in …………

Diaphragm contracts to help in ……….while the contraction of adbominal muscles in help in……… .

A: Muscles of external ears are fully developed in humans. R: These muscle helps in moving ear pinna in human.

A: Muscles of external ears are fully developed in humans. R: These muscle helps in moving ear pinna in human.

Name the additional muscles which help in increasing the strength of breathing .