Skeletal System Worksheet and the Muscular System Worksheet What bones have you broken? Skeletal System 1. What does the skeletal system do? • Provides shape to the body. • Supports muscles, and helps protect organs. • Muscle attachment Touch and press the skin on your elbows, knees, stomach and face to feel your bones. Were there any areas of the body where you couldn’t feel any bones? stomach 2. What organ is protected by the skull? 3. What organ is protected by the ribs? Brain Heart & Lungs The joints where the skull bone meet are the… 4. How many bones do we have? 206 Sometimes there are extra bones in the hands or feet. Babies are born with 270 soft bones about 64 more than an adult; and many of these will fuse together by the age of twenty or twenty-five into the 206 hard, permanent bones. Longest and strongest bone in the body is the… 5. There is only one bone in the human body not connected to another bone. What is it??? Hyoid bone! 6. Four layers of bone and their function • periosteum - blood vessels that transport nutrients, • compact bone - provides support, 6.(cont.) spongy bone - makes bones light and strong, bone marrow - site of blood cell production 7. Examples of the following types of joints are … 1.Fixed: Skull. (no movement) 2.Semimovable: Vertebrae (Small amount of movement) 3.Pivot: Head (Rotation) 4.Ball & socket: Hips & shoulders (Flexible) 5.Hinge: Elbows & knees (Simplest) 6.Ellipsoidal: Wrists & ankles (Allows movement in all ways except rotation) 8. What does the muscular system do? It moves all your moving parts! It helps protect the joints. It helps create heat. Muscles, tendons, and ligaments hold bones together What connects… bone to bone? Ligaments 9. muscle to bone? Tendons What is the largest tendon in the human body? The Achilles tendon is the largest tendon in the human body and can withstand forces of 1,000 pounds or more. But it is also the most vulnerable and frequently ruptured tendon. 10. How can we increase muscle cell size? By exercising the muscles with strength or resistance training. video/15:00 HOW GOOD ARE YOU??? No word bank! Fill in as many blanks as you can! HOW GOOD ARE YOU with a word bank??? Fill in as many blanks as you can! Sternum Humerus Pelvis Ulna Phalanges Skull Clavicle Ribs Vertebrae Radius Femur Patella Fibula Tibia HOW GOOD ARE YOU without a word bank? Fill in as many blanks as you can! With a word bank! Fill in as many blanks as you can. Pectorals Biceps Trapezius Deltoids Latissimus Dorsi Triceps Gluteus Maximus Abdominals Quadriceps Hamstrings Gastrocnemius Muscular System Video Video/15:00