Muscular System Function provide force for movement of

Muscular System • Function: – provide force for movement of the body, both inside and out. Watch: https: //www. youtube. com/ watch? v=FVIpe. UIp. Ff 0

Muscular System • Structures: Skeletal muscle – Smooth muscle – Cardiac muscle - Tendons Cardiac muscle Smooth muscle

FACT: Facts of the Muscular System Skeletal muscles are attached to bones and allow your skeleton to move. Skeletal muscles are VOLUNTARY muscles which means you control them. FACT: Smooth muscle, in your stomach, and cardiac muscle in your heart, are INVOLUNTARY muscles which means you cannot control it – it works without you thinking about it! Fact: Almost half your body’s weight is muscles! – 640 of them! The largest muscles are the ones you sit on – gluteus maximus muscles in the buttocks!

Skeletal System • Function: – Provides a framework to support the body – Protects internal organs (rib cage, skull, etc. ) – Works with the muscular system for movement – Produces new blood cells and stores minerals like calcium.

Skeletal System Skull • Structures: – Bones – Joints – Cartilage – Ligaments Humerus Ribs Vertebrae Ulna Pelvis Femur Tibia Fibula Radius

Facts of the Skeletal System FACT: A baby’s skeleton has 350 bones, but an adult has 206 bones! Some of the baby’s bones fuse together making one bone instead of many! Fact: Bone marrow deep inside the bone produces new blood cells!

Facts of a bird’s Skeletal System • Fact: Birds have hollow bones to make them lighter, and make it easier for them to fly! Watch: https: //www. youtube. com/watch? v=11 f. ZS_B 6 UW 4