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Skeletal System. Test Friday, January 11th. 1-3-13. REVIEW DSQ 32B Clean Notes—Organized OBJ Main Functions of Skeletal System 13 Main Bones Fill out Worksheet Cut out bones by Friday, January 4 th. SKELETAL SYSTEM. Main Function of Skeletal System
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Skeletal System Test Friday, January 11th
1-3-13 REVIEW • DSQ 32B • Clean Notes—Organized OBJ • Main Functions of Skeletal System • 13 Main Bones • Fill out Worksheet • Cut out bones by Friday, January 4th
SKELETAL SYSTEM • Main Function of Skeletal System • Support the body • Protect the body • Skeleton- is a hard structure that supports and protects an animals body. • Bones- hard structures made of living cells and minerals. • A human has 206 bones—most do
1-4-13 • DSQ 33A • Bones-Put together • CH will be here in the near future REVIEW • 13 Bones • 2 main functions of Skeletal System • What bones and skeleton are… OBJECTIVES • To understand the types of bones (Skull, Backbone, Trunk, & Arm & Leg bones do)
Bone Types • Skull—surrounds and protects the brain • Protects your brain • Bones don’t move • Babies skulls are in many small pieces to allow for the birth • Ossification---when bones harden as babies grow older
Bone Types • Backbones • 26 small hollow bones • Form a tube to protect the spinal cord
1-7-13 • DSQ 33B Quiz Questions • Bones Quiz REVIEW • 13 Bones • 2 Main Functions • Skull Bones • Protection of Brain & Spinal Cord OBJ • The other 3 types of bones trunk and arm & leg bones • What is cartilage & Calcium • What are the 4 types of joints • 2 Assign Worksheet
Bone Types • Trunk Bones • Ribs & hip bones • 12 pair of ribs • Protects-----Ribs= lungs, heart • Protects-----Hips=kidneys, intestines, and bladder
Bone Types • Arm & Leg Bones • Long bones A) Arm-Humerous B) Leg-Femur • Hands & feet-----short bones • Palm 5 bones • Fingers on one hand 14 bones
Cartilage • Cartilage— tough bendable material that cushions bones—ears & nose • Calcium- a mineral that makes bones hard
1-8-13 • DSQ QUIZ-Correct • Correct 2 WS & Score REVIEW • 13 Bones • 2 Main Functions • Types of Bones (4 Types) OBJ • 4 Types of joints & an example • Ligaments & Sprains • Assign WS
4 Types of Joints Joints- Where bones are joined together JOINTEXAMPLE Fixed Skull Ball & Socket Hip & Shoulder Hinge Elbow & Knee Pivot Wrist & Ankle
Ligaments • Ligaments-Strong tough fibers that hold bones together at joints • Looks like a cord—stretches easily • Sprain- occurs when ligaments tear or stretch away from the bones
1-9-12 • DSQ 34A • Correct 2 Worksheets • Test Friday, January 11th REVIEW • 13 bones • Main Function • Protection---Ribs, skull, backbones, hips • 4 Types of bones • 4 Types of joints & an example OBJ • Two types of fractures • Common Bone Names • Essay Question • Assign 2 Worksheet
Fractures • Simple Fracture- a break in the bone • Compound Fracture- a break in the bone and skin • It may take four weeks to a year for a bone to heal
COMMON & SCIENTIFIC NAMES • Skull Cranium • Lower Jaw Mandible • Collarbone Clavicle • Breast Plate Sternum • Shoulder Blade Scapula • Knee Cap Patella • Shin bone Tibia • Fingers Phalanges • The bone that doesn’t tell the truth Fibula (it lies!)
Essay—How are the arm and leg similar • Both the shoulder and hip start with a ball and socket joint • In arm-Humerus and In leg-femur are long bones • Hinge joint of knee & elbow • Lower arm & leg branch into two bones. Leg=tibia & fibula Arm=ulna & radius • Pivot joint of wrist & ankle • Hand & feet are made of short bones
1-10-13 • DSQ 34B • Correct 3 worksheets & score • Test-Friday, January 11th REVIEW • 13 Bones • 2 Main functions • Bones, skeleton, cartilage, joints, calcium, Ligament, and sprain • 4 Joints & an example • Protection: ribs, hips, backbones, skull OBJ • Clicker Quiz • Preview Test • Assign 1Worksheet
1-11-12 • DSQ Quiz • Correct worksheet & score • Correct & Assign ‘CH’ REVIEW • 13 Bones • 2 Main functions • Bones, skeleton, cartilage, joints, calcium, Ligament, and sprain • 4 Joints & an example • Protection: ribs, hips, backbones, skull OBJ • Preview Test • Assign Worksheet (2)
1-10-13 • DSQ 34B • Correct 3 worksheet & score • Test-January 11th REVIEW • 13 Bones • 2 Main functions • Bones, skeleton, cartilage, joints, calcium, Ligament, and sprain • 4 Joints & an example • Protection: ribs, hips, backbones, skull OBJ • Preview Test • Clicker Quiz • Test tomorrow