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Why don't insects need blood vessels?
Grasshoppers have an open circulatory system like most insects. This means that the organs are bathed in the blood rather than being supplied by blood vessels. The blood is referred to as haemolymph and it is made up of most of the bodily fluids. So, no, they don't have blood vessels (or if they do, they only comprise a small part).
How many main blood vessels does the earthworm have?
2 major blood vessels
Can blood vessels make new blood vessels?
Blood vessels can form new blood vessels, this is called angiogenesis.
Why are nephrons surrounded by tiny blood vessels?
Why are nephrons surrounded by many tiny blood vessels
How many kilometers of blood vessels are in your body?
How many kilometers of blood vessels are in your body? If they could be laid end to end, the blood vessels would cover a distance of about 60,000 miles (96,500 kilometers).
How many blood vessels do earthworms have?
Earthworms have Red blood.
How many different blood vessels are there?
3
How many tunics do blood vessels have?
3
How many types of blood vessels are found in human body?
There are three types of blood vessels. There are veins, arteries, and capillaries.
Why do diabetes affect so many organs?
Diabetes is primarily a disease of blood vessels. Because blood vessels feed all our organs, many organs can be damaged when diabetes messes with the blood flow by damaging blood vessels. It's the constant high blood sugar in diabetics that damages blood vessels. If a diabetic keeps his blood sugar under control, it's as if he doesn't have the disease.
What part of a bone has many blood vessels in it?
Marrow
Are red blood cells found in the liver?
Only within the blood vessels. And there are many, many of those.
