KS3 Y8 Blood Circulatory System I

Gap-fill exercise.

Name:_________________________Class:___________________Date:__________________

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
   arteries      blood vessels      body      capillaries      circulatory system      digested food      gaps      glucose      lungs      oxygen      pumps      small      small intestine      surface area      thin walls      veins      vessels      water   
Our blood transports and like round our bodies. Blood flows through tubes called .

All tubes leaving the heart are called . All tubes returning to the heart are called . The smallest blood vessels are called . These have and very small or holes to allow molecules like and to pass through easily.

There are two important places where capillaries are found. In our goes into the capillaries of the . In our is absorbed into the blood capillaries of the villi. The total of our villi can be as large as 10m2.

Our heart blood around the . Blood leaving the heart are called and blood returning to the heart are called .

The heart and the blood working together are called the blood .

 

 

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