Either the duodenum or the jejunum
Do stones for her drains and little stoppers to keep leaves and dirt from entering the water that goes to diff plants and sewers
photosynthesis produces oxygen and glucose as the end products whereby the glucose is used as food by plants and oxygen as a byproduct.
cellular respiration produces water and carbon dioxide and the end products and by products where by energy is stored
A cell or Atom is something that can process life or can processed into an object. (The atom is in objects and life Such as animals and humans as a cells in just humans and animals