circulatory system online

mcqspedia.com has 3 Question/Answers about Topic circulatory system online

When heart relaxes,

When heart relaxes,
  • A. person respires
  • B. peristalsis movements occur
  • C. bile is produced
  • D. heart gets filled with blood
  • Correct Answer: Option D

When an artery dilates

When an artery dilates
  • A. lumen becomes constricted
  • B. lumen gets wider
  • C. person may appear pale
  • D. elastic muscles become ineffective
  • Correct Answer: Option B

Pulmonary veins carry

Pulmonary veins carry
  • A. red oxygenated blood
  • B. bluish red deoxygenated blood
  • C. deoxygenated blood from heart to lungs
  • D. oxygenated blood from lungs to heart
  • Correct Answer: Option D