Which results in mechanical digestion in the stomach ? ( science )
A: contractions that mix and chum the food
B: waves of smooth muscle that push the food
C: hydrochloric acid that kills bacteria in food
D: pepsin that breaks down proteins into amino acids

ia. mver.y..sor .r..yinee..i am.ina.rush.pleas eforg.ive   meiknowiama. nas.s holei apalo.gize

a problem could be dealing witj emotional stress..all of these factors contribute to emotional stress.

the ecg findings of an acute anterior myocardial infarction wall include: st segment elevation in the anterior leads (v3 and v4) at the j point and sometimes in the septal or lateral leads, depending on the extent of the mi. this st segment elevation is concave downward and frequently overwhelms the t wave.

explanation:

there are men and women, some choose to be both or change their gender. often times those people go by "other". those who change their gender are known as "transgender"