| Closed circulatory system | Open circulatory system |
| $(1)$ Blood is circulated through a closed network of blood vessels. | $(1)$ Blood is pumped into body cavities or sinuses. |
| $(2)$ Blood capillaries are present to facilitate exchange. | $(2)$ Blood capillaries are absent. |
| $(3)$ Respiratory pigments are usually present within $RBCs$ or dissolved in plasma. | $(3)$ Respiratory pigments are always dissolved in the blood plasma. |
| $(4)$ Lymph acts as an intermediate medium between blood and cells. | $(4)$ Direct exchange occurs between blood and tissues. |
| $(5)$ Example: Earthworm,Humans. | $(5)$ Example: Cockroach,Molluscs. |
Explore More
Vedclass Products
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialGenerate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeLive online exams with unlimited students, 360° analytics & white-label branding.
See Demo