Suppose you chop down a plant in the woods and bring it home to examine. you cut a cross section of the stem and you note that it has pith in the center. how would you classify this plant?

Mostly plants with pith in the centre have dicots stems mostly they are usually darker inner wood of a large diameter trunk is termed the heartwood and is the result of tylosis. The outer, living wood is termed the sapwood. New pith growth is white or pale in color, as the tissue ages it commonly darkens to a deeper brown color. In trees pith is usually present in young growth.

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

it would lead to upper respiratory infections and pneumonia.