Question

Various types of circulatory system in non chordates

Answer 1

There are only two types of circulatory system_____

1.Open Circulatory System

Circulatory system is said to be open if blood runs in open space called sinuses and moreover organs are in direct contact with blood.

Eg. - Arthropoda

- Mollusca

- Echinodermata

- Hemichordata

2.Close Circulatory System

Circulatory system is said to be closed if blood runs in a closed vessels having definite boundaries and path ( blood vessels and capillaries) and moreover organs are not in direct contact with blood.

Eg. - Annelida & Chordata