Skeletal System - The Science Queen

Skeletal System - The Science Queen

Skeletal System 4 Functions of the Skeletal System 1. Supports the body. The backbone is the main support center for the upper body. It holds your head up and protects your spinal cord. 2. Protects internal

organs: The bones of your skull protect your brain. Your ribs protect your lungs and heart from injury Muscle attached to bones!! 4 Functions of the Skeletal System 3. Works with Muscles to

produce movement: Skeletal system provides points of attachment for muscles. Your legs and arms move when the muscles pull on the bones. 4. Makes Blood: Red and white blood cells are formed by tissue called marrow, which is in the center of the bone.

Bone Structure Typical Four Layers: Periosteum: Covers Bones Compact Bone: Lies beneath the periosteum Spongy Bone: Lies beneath the compact bone

Bone Marrow: Fills the gaps between the spongy bone Spongy Bone Compact Bone Bone Marrow /Marrow Cavity Bones of the Cranium Some are thicker

than others!!! Parietal Bone Cranium Bones Parietal Bone Frontal Bone

Occipital Bone Temporal Bone Cranium Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Mandible The mandible is the largest and

strongest bone of the face. ? What else is it called? Maxilla Cranium Mandible

Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Clavicle or Collarbone The clavicle, or collar bone, holds the shoulder joint away from the rest of the upper body and is only as thick as your little finger. Cranium

Mandible Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Clavicle Scapula The scapula is located on the back side of the ribcage and helps provide part of the

shoulder joint and movement for the arms. Cranium Scapula Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Mandible Clavicle

Vertebral column Also known as the spine, or vertebrae. A column usually consisting of 24 articulating vertebrae Cranium Scapula

Vertebrae Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Mandible Clavicle Coccyx and Sacrum Cranium

Scapula Vertebrae Coccyx Sacrum Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Mandible Clavicle

Humerus (Upper Arm Bone) Cranium Scapula Humerus Vertebrae Coccyx Sacrum Phalanges Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html

Mandible Clavicle Radius and Ulna Radius on Top Ulna on Bottom Cranium Scapula

Mandible Clavicle Humerus Vertebrae Radius Coccyx Sacrum

Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Ulna Carpals or (Wrist Bones) Cranium Scapula Mandible Clavicle

Humerus Vertebrae Radius Coccyx Carpels (Wristbone) Sacrum Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Ulna

Metacarpals (Top of Hands) Cranium Scapula Mandible Clavicle Humerus

Vertebrae Radius Coccyx Carpels (Wristbone) Sacrum Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Ulna Metacarpals Phalanges (Little Fingers)

Cranium Scapula Mandible Clavicle Humerus Vertebrae Radius

Coccyx Carpels (Wristbone) Sacrum Phalanges Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Ulna Metacarpals Rib Cage

Cranium Scapula Humerus Mandible Clavicle Rib Cage Vertebrae Radius

Coccyx Carpels (Wristbone) Sacrum Phalanges Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Ulna Metacarpals Sternum (Breastbone)

Cranium Scapula Mandible Clavicle Sternum (Breastbone) Humerus Rib Cage

Vertebrae Radius Coccyx Carpels (Wristbone) Sacrum Phalanges Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Ulna Metacarpals

Pelvis (Dancing Bone) Cranium Scapula Mandible Clavicle Sternum (Breastbone) Humerus

Rib Cage Vertebrae Pelvis Coccyx Carpels (Wristbone) Sacrum Phalanges Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Radius

Pelvis Ulna Metacarpals Femur (Largest Bone in the Body) Cranium Scapula Mandible

Clavicle Sternum (Breastbone) Humerus Rib Cage Vertebrae Pelvis Coccyx Carpels (Wristbone) Sacrum

Phalanges Radius Pelvis Ulna Metacarpals Femur Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html The Tibia and Fibula

Cranium Scapula Mandible Clavicle Sternum (Breastbone) Humerus Rib Cage

Vertebrae Pelvis Coccyx Carpels (Wristbone) Sacrum Phalanges Radius Pelvis Ulna Metacarpals

Femur Patella Tibia Fibula Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Tarsals Cranium Scapula

Mandible Clavicle Sternum (Breastbone) Humerus Rib Cage Vertebrae Pelvis

Coccyx Carpels (Wristbone) Sacrum Phalanges Radius Pelvis Ulna Metacarpals Femur Patella

Tibia Fibula Tarsales Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Metatarsals Cranium Scapula Mandible

Clavicle Sternum (Breastbone) Humerus Rib Cage Vertebrae Pelvis Coccyx Carpels (Wristbone)

Sacrum Phalanges Radius Pelvis Ulna Metacarpals Femur Patella Tibia Fibula

Metatarsales Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Tarsales Phalanges Cranium Scapula Mandible

Clavicle Sternum (Breastbone) Humerus Rib Cage Vertebrae Pelvis Coccyx Carpels (Wristbone)

Sacrum Phalanges Radius Pelvis Ulna Metacarpals Femur Patella Tibia Fibula

Metatarsales Picture from http://www.buzzle.com/articles/labeled-human-skeleton-diagram.html Tarsales Phalanges The Connectors of the Body Ligaments: Connect bone to bone

The Connectors of the Body!! Tendon: Attaches muscles to bones The Connectors of the Body Cartilage: It acts as a cushion between bones at a joint and protects the bones. Joints of the Body Ball and Socket Joint: Round end of bone fitting

snuggly within another bone. Ex. Shoulder and Hip Joints of the Body Hinge Joint: Movement at joint in one direction like a door. Ex. Knee and Elbow

Joints of the Body Pivot Joint: one bone rotates in the ring of another bone. Ex. Neck, Wrist and Ankles Joints of the Body Gliding Joint: Bones glide over another bone.

Ex. Knuckles Problems of the Skeletal System Fracture: Break Dislocation: Out of joint Problems of the Skeletal System Sprain: Swelling in

the joint Arthritis: Inflamed and stiff joints Problems of the Skeletal System!! Scoliosis: Curvature of the spine Osteoporosis:

Brittle bones

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