EVERYDAY SCIENCE

Detailed explanation-1: -Blood can flow through vessels inside the body, such as arteries and veins. This type of circulation is called closed circulation. Open circulation happens when there are no vessels to contain the blood, and it flows freely through the cavities of the body.

Detailed explanation-2: -In contrast to a closed system, arthropods (including insects, crustaceans, and most mollusks) have an open circulatory system. In an open circulatory system, the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemocoel.

Detailed explanation-3: -Blood flows inside the body through vessels such as arteries and veins. This type of circulation is called Closed circulation. Open circulation takes place in the absence of vessels to contain the blood and it flows freely through the cavities of the body.

Detailed explanation-4: -A closed circulatory system is comprised of the heart that pumps blood into the vessels to reach the tissues and organs. The exchange of gases in the bloodstream occurs between smaller vessels (capillaries) and tissues.

Detailed explanation-5: -The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.