<span>it comes and goes through the madreporite - a small valve like structure</span>
<span>A scientist measured an increase in nitrous oxide in the atmosphere. This increase would result in the greenhouse effect. </span>
We basicly can't digest them as it has cellulose and we can't digest cellulose .acc. to me in olden days early men used to survive with raw green plants because the cellulose is digested by our appendix but slowly as we stopped eating raw green plants the appendix lost it function tooo. so we should always eat a selective plant like lettuce
Answer:
C) ACh binds to receptors in the junctional folds.
Explanation:
"Medulla" is that center!!
