Q. When the circulatory system lacks arteries, veins and capillaries, it is called as
A) Closed type
B) Mixed type
C) In appropriate information
D) Open type
Explanation
In open type of circulatory system cells and tissues are directly bathed in the blood which is pumped out of the heart. There are no arteries, veins capillaries as found in closed circulatory system
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.