kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Lower Elementary Science
2.15 The Circulatory System

Q 1: The heart stops beating at night time.

Q 2: _____ are vessels that carry blood away from the heart.

Q 3: When you put your hand on your chest or when doctor listens to your heart with a stethoscope you hear a _____.
nerve signal
brain wave
heart beat

Q 4: The _____ pumps the blood.

Q 5: Blood circulates all around your body in about ____ minutes.
10 or 20
100 or 200
1 or 2

Q 6: _____ are like soldiers protecting the body.
Red blood cells
White blood cells

Q 7: ____ carry oxygen from the lungs to all the cells of the body.
White blood cells
Red blood cells
Bone marrow cells

Q 8: The heart is like a pump. Its beat causes the blood to flow through the body.

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to

Quiz Timer