Mammals are said to have a "double circulatory system". This means

  • A
    That the blood vessels are paired
  • B
    That there are two types of blood vessels attached to every organ; an artery and a vein
  • C
    That there are two systems; one from the heart to the lungs and back to the heart and other to and from the rest of the body
  • D
    That the blood circulates twice as quickly

Explore More

Similar Questions

Assertion $(A)$: In humans,a hepatic portal system is present.
Reason $(R)$: The hepatic vein carries blood from the intestine to the liver.

William Harvey is known for the discovery of

Which of the following animals possesses two distinct circulatory pathways?

Which of the following statements is inconsistent with a closed circulatory system?

Which of the following options represents the correct pathway of coronary circulation?

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