Question

What do you mean by open type and closed type of circulatory system?

Answer 1

Vertebrates, and a few invertebrates, have aclosed circulatory system. Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and doesnot normally fill body cavities. Open circulatory system.

plz mark as brainliast

Answer 2

✳️ in open circulatory system,blood is pumped out of the heart and the cells and tissues are directly bathed it whereas in closed circulatory system, blood is circulated through a series of vessels of varying diameters (arteries,veins and capillaries.

$\: \: \: \:$

I hope it's help you.