Author

Marisela Guzman

Marisela Guzman is a senior writer at Biology Insights with an emphasis on human biology. A graduate of Florida State University with a BS in Biology, she started out doing general assignment reporting for a daily paper and drafting educational scripts.

What Converts Pepsinogen to Pepsin?
Can Human Stomach Acid Dissolve a Chicken Bone?
Can You See a Fart? The Science of Flatulence
What Chemical in Gastric Juice Kills Bacteria?
Can Humans Eat Wood? The Science of Digestion
Can Your Stomach Acid Digest Metal? A Scientific Answer
Intrinsic Factor’s Role in Vitamin B12 Absorption
Is Wood Digestible? What Happens When You Ingest It?