The digestive system contains all four major tissue types, epithelial<span>, connective, muscle and nervous. e</span>pithelial<span> tissue lines the entire length the digestive tract. it is made up of many different types of cells, including goblet cells that secrete mucus.</span>
Answer:
keeping fat is good for our stomach and other parts to protect and maintain
Answer:
c they let people know what dinosaurs looked like
Answer:
left ventricle
Explanation:
left ventricle pumps oxygen rich blood to the body (away from the heart, so through the arteries)
A Hydrogen has a negative charge of -1 and o is positive and also neutral
