Problem:   Will vitamins affect the growth of a plant?    Research:   Much research has been done to see if vitamins affect the growth of a plant. Many farmers use fertilizer to grow their crops so questions have rose on whether or not vitamins help plants grow. We are going to make a couple … Read more

A muscle cell is long and is made to contract a nerve cell sends electrical impulses and therefore is designed to be long and thin

Alveoli are thin walled sacs. There are millions of alveoli at the ends of the bronchioles and this is where the gas exchange takes place. The alveolus is surrounded by capillaries. Each alveolus look like a bunch of grapes on a stem. Carbon dioxide diffuses into the alveolus and oygen diffuses out of it into … Read more