
Your stomach is the first stop on food's journey through your digestive system. It's where the body starts to break food down into the nutrients your body needs to survive. Readers will be amazed to learn that the inside of their stomach is filled with acid and microorganisms!...

Your stomach is the first stop on food's journey through your digestive system. It's where the body starts to break food down into the nutrients your body needs to survive. Readers will be amazed to learn that the inside of their stomach is filled with acid and microorganisms!...