Author

Lauren Holland

Lauren Holland is a staff writer at Biology Insights with a focus on human physiology. She spent several years as an academic laboratory technician running bench experiments for university researchers. Holland now concentrates on how major organ systems function, explaining anatomical processes through grounded, everyday analogies.

How Many Heme Groups Does Hemoglobin Have?Biology
What Is the Heart Actually Shaped Like?Heart & Lungs
Unmyelinated Axons: Location, Function, and Purpose Biology
Can You Circle the Earth With Your Blood Vessels?Heart & Lungs
What Are Two Body Systems That Work Together?Biology
What Are Air Sacs and What Is Their Purpose?Heart & Lungs
The Main Types of Human Molecules in the Body Biology
How Much Water Can a Bladder Hold?Gut & Kidney
What Would Happen If We Didn’t Have Bones?Biology
Where Is Erythropoietin (EPO) Produced in the Body?Hormones
What Are the Functions of Sodium Ions in the Body?Chemistry
What Part of the Blood Carries Oxygen to Cells?Biology
Why Do Boogers Form and What Is Their Purpose?Eyes & ENT
What Do We Breathe Out? Exhaled Air Explained Biology
Is Your Brain the Size of Two Fists?Biology
What Is a Negative Feedback System? Definition & Examples Biology
Are Humans Made of Atoms or Cells?Biology
How Much Salt Is in Sweat and Why Does It Matter?Skin & Hair
What Does Myoglobin Do? Roles in Muscles and Blood Biology
What Is Mucin and Its Role in Human Health?Biology
What Is the Dive Response and How Does It Work?Physics
How Does Skin Heal Itself After an Injury?Skin & Hair
How Does the Body Heal Itself? The Biological Process Biology
Where Is Glucose Synthesized in the Body?Biology
What Is a Lymphatic Valve and How Does It Work?Heart & Lungs
What Are Scabs Made Of and How Do They Form?Skin & Hair
Do Humans Glow? The Science of Biophoton Emission Biology
How Much Blood Does Your Body Make a Day?Heart & Lungs
How Many Units of Blood Are in a Gallon?Heart & Lungs
Where Is the Vena Cava and What Is Its Function?Heart & Lungs