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
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Main Function of Skeletal System
A)
B)
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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)
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Bone Types
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Skull—surrounds and protects the brain
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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
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Backbones
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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
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Bone Types
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Trunk Bones
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Ribs & hip bones
12 pair of ribs
Protects-----Ribs= lungs, heart
Protects-----Hips=kidneys, intestines, and bladder
Bone Types
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Arm & Leg Bones
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Long bones
A) Arm-Humerous
B) Leg-Femur
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Hands & feet-----short bones
Palm 5 bones
B) Fingers on one hand 14 bones
A)
Cartilage
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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
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4 Types of Joints
Joints- Where bones are joined together
JOINT
Fixed
Ball & Socket
Hinge
Pivot
EXAMPLE
Skull
Hip & Shoulder
Elbow & Knee
Wrist & Ankle
Ligaments
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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
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13 bones
Main Function
Protection---Ribs, skull, backbones, hips
4 Types of bones
4 Types of joints & an example
OBJ
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Two types of fractures
Common Bone Names
Essay Question
Assign 2 Worksheet
Fractures
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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
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Skull
Lower Jaw
Collarbone
Breast Plate
Shoulder Blade
Knee Cap
Shin bone
Fingers
The bone that doesn’t tell the truth
(it lies!)
Cranium
Mandible
Clavicle
Sternum
Scapula
Patella
Tibia
Phalanges
Fibula
Essay—How are the arm and leg similar
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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
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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
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
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Preview Test
Clicker Quiz
Test tomorrow