Anatomy and Physiology

What Is a Pain Receptor and Its Role in the Body?

What Voltage is Dangerous to the Human Body?

Why Do Dimples Appear on the Chin When Smiling?

Why Do Your Ears Pop on an Airplane?

Where Do Herbivores Get Their Protein From?

What Is a Negatively Charged Ion & Why Are They Important?

Why Don’t We Need an Appendix? Its Role Explained

What Is the Difference Between External and Internal Fertilization?

Can You Poop With a Urine Catheter In?

Do Koalas Have Tails? The Truth About Their Hidden Tail

What Animals Have Big Eyes? The Science of Vision

How Long Does It Take to See Results From Liposuction?

Is UV Light the Same as Blue Light?

Do You Need to Fast for a Female Hormone Blood Test?

Can You Touch Your Brain? What Happens If You Do?

What Does a Fish Need to Survive and Thrive?

Where Do You Give Testosterone Shots?

How to Check Your Egg Count: Fertility Tests and Results

Can Lower Back Pain Prevent Pregnancy?

Can Heat Kill Sperm and Affect Fertility?