veins are unique because they connect to the capillaries and return oxygen- rich blood to the right atria of the heart so that blood can exchange carbon dioxide for fresh oxygen in the lungs
Some characteristics that make a person interesting and unique are the ability to take some risks and curiosity. A good sense of humor and creativity are other characteristics that make someone unique.
These characteristics-Physical, emotional, mental, and social-combine to make you the unique person you are.
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Its Earth's twin and it has a 800 surface
The unique characteristics that make the salamander look like an axolotl include external gills, a fin-like tail, and the ability to retain juvenile features into adulthood.
The pulmonary veins are the only veins in the body that carry oxygenated blood. Like all veins the blood in the pulmonary veins travel toward the heart.
political characteristics
That would be an atom. Atoms go down to protons, neutrons and electrons, but these do not have unique characteristics. So, the smallest particle with unique characteristics is an atom.
What characteristics are unique to human beings in visible creation
Each one of us is unique. Each person has their own individual traits, characteristics, and experiences that make them distinct from others.