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WHAT TO DO:
1. Stretch your am and feel the muscle in your upper arm. Observe what happens to the muscle in your upper arm when relaxed. Record your observation in the table below.
2. Bend your arm. Feel again the muscle in the upper arm. Observe what happens to the muscle when they contract. Record your observation.
3. Repeat steps a and 2. This time, use your muscles in your lower leg.
Muscles to be Observed
Muscles when Relaxed
Muscles when Contracted
Muscles in the upper arm
Muscles in the lower leg
WHAT HAVE YOU FOUND OUT:
1. What happened to your muscles in your upper arm and lower leg when they were relaxed?
2. How about when they are contracted?
3. What pulls the muscle inward so that you can bend it?
Pinahahalagahan namin ang bawat ambag mo. Magpatuloy sa pagtatanong at pagbibigay ng mga sagot. Sama-sama tayong magtutulungan upang makamit ang ating mga layunin. Gawin mong pangunahing mapagkukunan ang IDNStudy.com para sa maasahang mga sagot. Nandito kami para sa iyo.
