Life Processes - Science Revision YR 7 Science Revision 0.0 / 5 ? ScienceAll LevelsAll boards Created by: Former MemberCreated on: 02-06-12 11:09 Getting rid of waste is one of the life processes. What name is given to this process? excretion 1 of 10 Air moves from the outside into the lungs through: the windpipe 2 of 10 What is breathing more properly called? ventilation 3 of 10 What are the tiny air sacs in the lungs called? alveoli 4 of 10 What happens during gas exchange in the lungs? oxygen diffuses into the blood and carbon dioxide diffuses out of it. 5 of 10 Approximately how many bones are there in the human skeleton? about 200 6 of 10 What is the smooth substance at the end of a bone called? cartilage 7 of 10 What sort of joint is the hip joint? ball and socket joint 8 of 10 How does a muscle move a bone? contracting and pulling 9 of 10 Muscles that work in opposite pairs are called: antagonistic muscles 10 of 10
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