Skeletal System Test Friday, January 11th

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 A) Support the body B) 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

 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

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 A) Palm 5 bones B) Fingers on one hand 14 bones

Cartilage Cartilage— tough bendable material that cushions bones—ears & nose Calcium- a mineral that makes bones hard

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 FixedSkull Ball & Socket Hip & Shoulder HingeElbow & Knee PivotWrist & 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

DSQ 34A Correct 2 Worksheets Test Friday, January 11 th 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 JawMandible  CollarboneClavicle  Breast PlateSternum  Shoulder BladeScapula  Knee CapPatella  Shin boneTibia  FingersPhalanges  The bone that doesn’t tell the truthFibula (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

DSQ 34B Correct 3 worksheets & score Test-Friday, January 11 th 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

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)

DSQ 34B Correct 3 worksheet & score Test-January 11 th 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