HELP
1aMatch the beginning of each sentence in the table below with the correct ending. Write out the complete sentence.
Beginning / EndingA Cartilage is a tissue that / 1 provide support for the body.
B Ligaments are the parts that / 2 acts like oil to lubricate the joint.
C Bones are the hard parts of the skeleton that / 3 helps the ends of the bones slide over each other.
D Fluid is a liquid between the joints that / 4 connects the muscle to the bone.
E Tendon is tissue that / 5 hold the bones together.
bCopy and complete the following sentences.
iThe point where two bones join and move is called … .
iiYou cannot usually stand up on a broken leg because … .
iiiOur delicate lungs are protected by … .
ivOur skulls are sturdy because they protect … .
CORE
2AB
aiWhat type of joint is shown in diagram A?
iiName one place where this type of joint is found.
iiiDescribe the ways in which this type of joint can move.
biWhat type of joint is shown in diagram B?
iiName one place where this type of joint is found.
iiiDescribe the ways in which this type of joint can move.
cJosh has hurt his ankle playing rugby. The coach is not sure whether the ankle is broken or sprained. Explain the difference between a break and a sprain.
EXTENSION
3aBones are made of tissues and cells. Explain why bones need a good blood supply.
biExplain what makes bones hard and strong.
iiSuggest one food that will help bones to develop as you are growing.
4Some people develop arthritis when they get older. In this disease, small solid crystals collect in the synovial fluid around joints.
aSuggest why arthritis sufferers have very stiff joints.
bSuggest why arthritis sufferers often have ′creaking′ joints.
cSome arthritis patients find that a hot water bottle around the painful joint can make it less painful and easier to move. Suggest a reason why warmth might help. (Hint: think about how warming a fluid might change its ′thickness′.)
© Harcourt Education Ltd 2004 Catalyst 3
This worksheet may have been altered from the original on the CD-ROM.