Name: _______________________________________________________ Period: _______ Human Body Packet #1: Skeletal System and Muscular System Notes: The Skeletal System (Unit B Chapter 1.2) What are the 5 functions of the skeletal system? Function #1: Provides ___________ and _____________. Function #2: Anchor for all of the body’s ____________________. Function #3: ________________ soft organs inside the body. Function #4: Makes ______________________________. Function #5: Stores minerals such as ________________ and phosphorus. How many bones? • ________ bones (organs) in an adult skeleton Bones are classified by shape. • • • • _________ Bones are found in the arms, legs, fingers and toes. _____________ bones are found in wrists, ankles, and knee caps. ______________ bones are found in the spine (vertebrae), sacrum, and jaw. _________ bones are found in the ribs and skull. There are 2 parts to the skeleton. Axial Skeleton: Main functions: Provides ______________ and __________________ Irregular and flat bones - Skull, ribs, vertebrae, pelvis Appendicular Skeleton: Main Functions: to allow __________________ ___________ and short bones: Found in Arms, shoulders, legs– scapula, humerus, radius, ulna, femur, tibia, and fibula What are the 2 types of bone? Compact bone: Covers ______________ of most bones Very __________ and tough Surrounds _______________ inner layer. Basic _____________________ layer Spongy bone: ______________ of bone Strong but _____________________ Makes up most of the ___________ and __________________ bones Makes up the __________ of long bones What is bone marrow? Marrow fills spaces within _______________ bone. Marrow produces _________ and ____________ blood cells. New blood cells travel from the marrow into ____________ vessels that run throughout the bone. What are joints? Places where ________ parts (__________) of the skeletal system meet What are the 3 types of joints? Immoveable or Fixed Joints: _________ bones together like puzzle pieces. Found in ___________ and pelvis Moveable Joints: Allow your body to __________ and __________ Found in __________ and legs, hands and _________, spine What are ligaments? Tissues that hold bones together at _______________ joints Other structures (________________ and fat) _______________ bones and keep them from ________________ together. 1 Name: ______________________________________________________ Period: _______ Notes: The Muscular System (Unit B Chapter 1.3) What are the 3 functions of the muscular system? Movement: Works with the ____________ system Skeletal Muscles work in _________. A muscle on one side of the body ______ in one direction while the other muscle relaxes. ______________ attach muscles to ___________ (stretchy connective tissue) Maintaining body _____________________ – related to homeostasis When muscles contract, they produce _________ Example: quick muscle contractions when you ____________ release heat and raise your body temperature Maintaining ________________ Most muscles in your body are always a little bit contracted – muscle _______ Muscles that maintain posture only __________ when you are unconscious. Your body has different types of muscles. Each type _______________ and relaxes All have different _______________ All are found in different _________________ Skeletal Muscles Performs ________________ movement – movement you __________ to make Made of long ____________ made up of smaller ____________ Tendons – strong _________________ tissues that attach skeletal muscles to _______ Tendons are found on each __________ of a ________________. Muscle fibers _______________, pull on the tendon, which then pulls on the _______ to make it move Smooth Muscle Found inside some ___________ – example: _______________ and stomach Performs ___________________ movement – move without you _______________ it Fibers are not as ___________ as skeletal muscles Contracts ______________ Cardiac Muscle Only found in your _______________ __________________ muscle like smooth muscle – moves without _______________ thought Contracts _____________ like smooth muscle Muscles grow and heal. Skeletal muscles have to ________________ and __________________ Example: A baby can’t lift its ___________ because neck muscles are not strong enough Muscles get ________________ when you exercise regularly Muscle ________________ you feel a day or two after exercise is caused by ________________ to muscle fibers. 2 Name: ______________________________________________________ Period: ______ Diagram: The Skeletal System Directions: Label the following terms on the diagram below. Then color the axial skeleton RED and the appendicular skeleton BLUE. Resource: Unit B, Chapter 1.2, page 17. Label: □ □ □ □ □ □ □ □ □ □ □ Skull Femur Fibula Tibula Humerus Radius Ulna Patella Vertebrae Scapula Ribs 3 Name: ______________________________________________________ Diagram: The Muscular System Directions: Use your device to label the following terms on the diagrams below. Period: ______ Label: □ Pectoralis Major □ Trapezius □ Hamstrings □ Quadriceps □ Abdominals □ Biceps □ Triceps □ Deltoids □ Latissimus Dorsi □ Gluteous Maximus 4 Name: ______________________________________________________ Concept Map: The Skeletal System Directions: Fill in the concept map below using the terms at the bottom of the page. Period: _______ Stores SKELETAL SYSTEM Framework of Framework of Protects Supports BONES 2 Types: contains Meet other bones at Covers the makes 2 Types: Examples □ □ □ □ □ □ □ □ □ □ □ □ Calcium Body Immovable/Fixed Movable Marrow Joints Bones Organs Spongy Bone Red Blood Cell Compact Bone Outside □ □ □ □ Examples Skull Pelvis Wrist Knee List the 5 functions of the Skeletal System: 1. 2. 3. 4. 5. 5 Name: ______________________________________________________ Concept Map: The Muscular System Directions: Fill in the concept map below using the terms at the bottom of the page. MUSCULAR SYSTEM Can be - Period: _______ Can be - You can control them Type Type Found in Attached to You cannot control them Type Found in Usually work in Heart Attached to Found in One will One will Example List the 3 functions of the Muscular System: □ □ □ □ □ □ □ □ □ □ □ □ Skeletal Muscles Stomach Muscles Voluntary Tendon Bone Involuntary Contract Arm Muscles Relax Pairs Cardiac Muscle Smooth Muscle □ Calcium 1. 2. 3. 6