Form and movement in animals Worksheet-5

Form and movement in animals Worksheet-5

 

Fill in the blanks:

  1. Fishes have fins and a flexible backbone that help them in _______.
  2. Birds have __________ body, which makes it easier for them to move through air.
  3. The wings of birds are lifted upwards, in preparation for another ________ stroke.
  4. The human skeleton is made up of _______ bones. (write answer in numerals)
  5. Snakes move by crawling on their _______.
  6. The substance which produces blood cells is called ________.
  7. The ____________ provides protection to our heart and lungs.
  8. _________ is the mineral essential for strong, healthy bones.
  9. The joint where the neck joins the head is known as __________ joint.
  10. Joints at the ankle and the wrist, is known as _________ joint.
  11. A pair of muscles called ___________ and Triceps helps us to move our arm.
  12. ________ were discovered by German physicist Wilhelm Conrad Roentgen.
  13. A force that stops or slows down a moving object is called __________.
  14. Snails have a____, inside which they can hide to protect themselves from heat and enemies
  15. A combination of cartilages and bones forms the _________ of our body.
  16. The backbone is made up of ____ small bones called vertebrae. (Write answer in numerals)
  17. We can lift an object with the help of our________ limbs.
  18. Snails move using a muscular organ called the _____.

 

Answer Key:

  1. swimming
  2. streamlined
  3. down/downward
  4. 206
  5. bellies/ belly
  6. marrow
  7. rib cage/ ribcage
  8. calcium
  9. pivot
  10. gliding
  11. biceps
  12. X-rays/ Xrays/   X-rays
  13. Resistance
  14. Shells
  15. Skeleton
  16. 33
  17. Fore
  18. Foot