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).
You question is incomplete. What about blood vessels do you need to know?
Insects have an open circulatory system, meaning their blood, known as hemolymph, is not confined to vessels like in vertebrates. Instead, it freely circulates within a body cavity called the hemocoel, where it directly bathes the organs and tissues. This system allows for efficient nutrient and waste exchange without the need for a complex network of blood vessels. Additionally, insects rely on simple diffusion and their body movements to help circulate the hemolymph throughout their bodies.
Every living tissue requires blood for it's survival, so does blood vessels, great vessels even have small vessels to supply themselves and they are called as "Vasa vasorum"
All organs have blood vessels as they all need a supply of blood to be viable
because it can flow also blood in these blood vessels or the stay there if the cells need oxygen
the stem VES in vessel means to carry. therefore blood vessels carry blood to where they need to go
There are three major types of blood vessels in the body, the arteries, capillaries and veins. The vessels that carry blood towards the heart are the veins.
The act of vasodilation is the widening of blood vessels when the walls of blood vessels relax. The purpose is to increase blood flow to areas of the body that are in need of oxygen.
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The lungs have a large number of blood vessels because blood vessels carry oxygen to the lungs and the lungs need a lot of oxygen.Because it makes the transfer of oxygen from the lungs to the bloodstream quicker.
Blood vessels are elastic in order to maintain the circulatory system. The vessels need to be able to stretch based on the force of the blood that is pumped through them. There are also receptors on blood vessels that control the diameter in order to shift blood to other parts of the body.
The blood vessels are the part of the circulatory system that transports blood throughout the body. There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart