Question

1) Write the differences
between 'open' and 'closed'
systems of circulation.​

Answer 1

Answer:

hope it helps you a lot mark me as brainly

Explanation:

In the open circulation, the blood is not enclosed in the blood vessels and is pumped into a cavity called hemocoel. On the contrary, in the closed circulation, the blood is pumped through the vessels separate from the interstitial fluid of the body.

Answer 2

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