w4.wed.scie.unit1.review.y6.21-22

LB p20: The main function of the lungs is ...

• control

• digestion

• breathing

LB p20: The main function of the brain is ...

• control

• digestion

• breathing

LB p20: Your pulse rate tells you how fast you are exercises.

• True

• False

LB p20: Blood moves around the body in tubes called blood vessels.

• True

• False

LB p20: The blood picks up carbon dioxide in the lungs.

• True

• False

LB p20: In the ............... , the food is broken down into very small particles.

LB p20: The food is mixed with digestive juices in the .......

LB p20: The food is chewed in the ........

LB p21: Which organ allows us to think, talk and move?

LB p21: The lungs are protected from damage by the ......

• skull

• ribcage

• liver