One teaspoon = approximately 4 grams. A Teaspoon of Sugar provides straightforward, proactive information on sugar metabolism and how too much sugar intake can lead to weight gain, diabetes, heart disease, cancer, learning difficulties, acne, tooth decay and poor athletic performance.
â¢ White blood cells, which fight infections. â¢ Platelets, smaller cells that help blood to clot. Blood is conducted through blood vessels (arteries and veins). Blood is prevented from clotting in the blood vessels by their smoothness, and the finely tuned balance of clotting factors.
The two largest veins that carry blood into the heart are the superior vena cava and the inferior vena cava. They are called vena cava because they are the heart's veins.. The superior is located near the top of the heart. The inferior is located beneath the superior. A wall, called a septum, separates the right and left sides of the heart.