Adaptation would make the most sense
The hormone calcitonin, which is produced by the parafollicular or C cells of the thyroid, has the opposite effect on blood calcium levels as does PTH. I hope this helps! : )
Answer:
The correct answer will be- true.
Explanation:
The small intestine is the longest part of the gastro-intestinal tract which helps in the absorption of nutrients from the digested food.
The structure of small intestine contains cell membrane extensions called villi and micro-villi which increases the surface area for absorption. The small intestine increases the food absorption by peristaltic movement of the food chyme. The small intestine causes the food chyme to form spirals which passes the food to large intestine.
Thus, true is the correct answer.
I believe they are stromal
