| | Conditions Treatments | Heart Disease Does the heart have green veins? The veins in the human heart are not green, they are red. The blue veins that we often see in the hands and other body parts are capillaries. Heart Disease - Related Articles Better Prostate Cancer Treatments How many people died in Germany from the black death? What Are the Dangers of Radon Gas? Is cardiovascular disease a reason for thick toenails? Facts on Colon Cancer Deaths How to Treat Dry Eyes & Mouth Following Hysterectomy What Is an Endodontist?