Q. In an open circulatory system,
A) There is no distinction between the blood and the tissue fluid
B) Of tissue fluid is absent
C) No need of blood vessels
D) Open space or sinuses are absent
Explanation
In open circulatory system instead of capillaries, blood vessels join directly with the open sinuses. Blood is actually a combination of blood and interstitial fluid called haemolymph which is forced from the blood vessels into the large sinuses, where it actually, baths the internal organs
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.