In a closed circulatory system:

  • A
    The cells and tissues are directly bathed in the blood pumped out by the heart.
  • B
    Arteries and veins are lacking.
  • C
    The capillaries are the largest blood vessels and are closed at their ends.
  • D
    Blood circulates through a series of vessels of varying diameters.

Explore More

Similar Questions

Cellulose is a polymer of......

$Mg$ is obtained by

If $3 \hat{i}+3 \hat{j}+\sqrt{3} \hat{k}$, $\hat{i}+\hat{k}$, and $\sqrt{3} \hat{i}+\sqrt{3} \hat{j}+\lambda \hat{k}$ are coplanar, then $\lambda$ is equal to

Two sources of equal $emf$ are connected to an external resistance $R$. The internal resistances of the two sources are $R_1$ and $R_2$ $(R_2 > R_1)$. If the potential difference across the source having internal resistance $R_2$ is zero,then:

Which of the following is absent in polluted water?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo