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עמוד:29
Closer Reading Answer in your notebook . 1 What happens to your body when you do aerobic exercise ? Use the sentences below , in the correct order , to write a summary of the information . ? The blood brings fresh oxygen to your muscles , including your heart . ? You begin to exercise . ? Oxygen helps to make muscles stronger and bigger . ? Your heart begins to beat faster than normal because exercise increases blood circulation . Begin your summary with the following sentence : First , you begin to exercise , .. . 2 Use the words in the box to complete the passage . Aerobic exercise is important to get your body into shape . When you exercise , your __ circulation increases . This means there is more getting to your muscles . This helps to make the _ in your body stronger and bigger . Since your is a muscle , it benefits from aerobic exercise and so does the rest of your _ "If you don't use it , you lose it" is an expression in English . a In this text , the expression is about ... . S > In what other situations could this expression be used ? Alter Reading Finding Your Heart Rate Zone ? Count the number of beats in the pulse on your wrist or neck for 15 seconds . ? Multi ply by four to get the beats per minute . ? Use the chart to find the target heart rate zone for your age . ? If the number of heartbeats is higher than your target heart rate , you are exercising too hard — slow down ! ? If the number of heartbeats is lower than your target heart rate , you aren't exercising hard enough — speed up ! Use the information in the box above to find your heart rate zone . Complete the following sentences and write them in your notebook . Q After I sit quietly for 10 minutes , my normal heart rate is ... . $ After I walk quickl y for 10 minutes , my heart rate is ... . c After walking quickly , my heart rate . .. . The connecting words below help to show the order of events . "The First , ... second , ... third , ... After that Finally , ... . beats blood body exercise heart muscles oxygen
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