Question

What is closed type circulatory system​

Answer 1

$\huge\underline\purple{\sf Closed\:Type:-}$

Blood is pumped by heart into closed network or blood vessels is called Closed Type of Circulatory System .

Tissues are not in direct Contact with circulating fluid .

Example :- Annelids , Chordates .

Answer 2

Answer:

The blood stays within blood vessels. In this way, blood is kept separate from body tissues is called closed type circulatory system