Answer:
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Water cycle
sun
never
evaporation
transpiration
condensation
precipation
run-off
The defecation reflex involves two postive feedback loops. these loops are the stretch receptors in the rectal walls and the sacral parasympathetic system. Defecation reflex empties the rectum by peristaltic movements push fecal matter from the sigmoid colon into the rectum. Then this distension of the rectal walls stimulates stretch receptors which results in defecation.
Answer: a
Explanation:
A punnet square is used to determine which genes are the strongest
