Because some parts of the body need more blood because they do more work. And the capacity in some parts are smaller than others.
B/c different parts of the body require different amounts of blood flow. If all vessels were equally sized and big, then blood would hardly more in those in parts of the body that only need a little flow. If all were equally sized and small, then blood would have to flow at a whopping pressure in parts needing a lot of blood flow. By having varying sizes the body can have similar pressures in both areas that need a lot of blood as in areas only needing a little.
Arteries are blood vessels that send oxygenated blood to different parts of the body.
Blood vessels are required to carry nutrients to parts of the body that require these.
The heart, the blood and the blood vessels.
What pump blood to th lungs
Cardiac pumps the blood to different parts of your body.
Yes, different parts of the country can produce varying amounts of rubbish due to factors such as population density, consumption patterns, recycling infrastructure, and waste management practices. Urban areas tend to produce more waste compared to rural areas. Additionally, regions with higher economic activity may generate more waste.
its part of the circulatory system that the heart pumps blood to all parts of the body
artery
Haemoglobin in your red blood cells carries the oxygen through your blood stream to different parts of your body. The carbon bi oxide comes dissolved in red blood cells as well as in plasma.
The 3 kinds of blood vessels are: artery- its the blood vessel that carries the blood from heart to different parts of the body capillaries- its the smallest blood vessel it carries the de oxygenated blood from artery to veins veins- it carries the de oxygenated blood from the different parts of the body to the heart
The blood cells are called hemoglobin. The hemoglobin transport oxygen from the lungs to all other parts of the body.