Muscle is a soft tissue in the body of humans and animals that produces force and motion.
Muscles are responsible for maintaining posture, physical movement (sitting, walking, eating, etc), and movement of internal organs (such as keeping the heart pumping to circulate blood and moving food through the digestive system).
VIDEO: HOW MUSCLES WORK
TYPES OF MUSCLES:
Cardiac and Smooth muscles are INVOLUNTARY muscles. We don't decide when to use them.
Skeletal muscles are VOLUNTARY muscles. We use them when we want.
Muscles are responsible for maintaining posture, physical movement (sitting, walking, eating, etc), and movement of internal organs (such as keeping the heart pumping to circulate blood and moving food through the digestive system).
Check the spelling on your notebooks to learn the words properly.
VIDEO: HOW MUSCLES WORK
Skeletal muscles are VOLUNTARY muscles. We use them when we want.
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