Skeletal and Skeletal and MuscularMuscularSystemSystem

Skeletal SystemSkeletal SystemInteracts with Interacts with muscular system for muscular system for movement of the movement of the bodybody

Coordinated by Coordinated by nervous systemnervous system

What is Cartilage?What is Cartilage?Cartilage is Cartilage is connective tissue connective tissue that is more flexible that is more flexible than bonethan bone

Cushions bonesCushions bones

CartilageCartilage

BonesBones1. Supports body1. Supports body2. Protects Organs2. Protects Organs3. Produce new red 3. Produce new red blood cells in the blood cells in the bone marrowbone marrow

BonesBones4. Enables you to 4. Enables you to movemove

5. Stores certain 5. Stores certain materials until your materials until your body needs them.body needs them.

VertebraeVertebrae

The 26 small bones The 26 small bones that make up the that make up the backbonebackbone

What is a Joint?What is a Joint?A joint is the place A joint is the place where two bones come where two bones come togethertogether

Joints help the skeleton Joints help the skeleton move the body.move the body.

What are the two kinds What are the two kinds of joints in the body?of joints in the body?

The two kinds of The two kinds of joints in the body joints in the body are immovable and are immovable and movable jointsmovable joints

What are the two main What are the two main immovable joints in immovable joints in

our bodies?our bodies?Bones of the skullBones of the skullJoints that attach Joints that attach the ribs to the the ribs to the sternumsternum

Immovable JointImmovable Joint

JointJoint Kind of MotionKind of Motion Where It’s Where It’s Found in the Found in the

BodyBody

HingeHinge Forward or Forward or backward backward motionmotion

KneeKnee

ElbowElbow

Ball-&-Ball-&-SocketSocket

Greatest range Greatest range of motion of motion

Shoulder Shoulder Blade Blade

HipsHips

PivotPivot One bone to One bone to rotate around rotate around anotheranother

Neck Neck

GlidingGliding One bone to One bone to slide over slide over anotheranother

WristWrist

AnklesAnkles

When do bone cells When do bone cells form new bone tissue?form new bone tissue?New bone tissue New bone tissue forms to fill the gap forms to fill the gap between the broken between the broken ends of the bone.ends of the bone.

LigamentsLigamentsThe bones in movable The bones in movable joints are held joints are held together by strong together by strong connective tissues is connective tissues is called called LIGAMENTSLIGAMENTS

Connect bone to boneConnect bone to bone

LigamentsLigaments

TendonsTendonsAttach muscles Attach muscles to bonesto bones

MarrowMarrow

The spaces in bone The spaces in bone that contain a soft that contain a soft connective tissue is connective tissue is called called MARROWMARROW

Bone MarrowBone Marrow

MusclesMusclesMotion of organsMotion of organsLocomotion of BodyLocomotion of BodyInteracts with all Interacts with all organ systems organ systems causing movement of causing movement of tissues and organstissues and organs

Muscular SystemMuscular System

3 Types of Muscles3 Types of Muscles

Skeletal MusclesSkeletal Muscles Type of Type of striatedstriated musclemuscle, , attached to the attached to the skeletonskeleton. .

Facilitate Facilitate movementmovement, by , by applying applying forceforce to to bonesbones and and jointsjoints; via ; via contractioncontraction. .

Contract Contract voluntarilyvoluntarily, , although they can contract although they can contract involuntarily.involuntarily.

Skeletal MuscleSkeletal Muscle

Cardiac MuscleCardiac MuscleType of Type of striatedstriated musclemuscle found within the found within the heartheart. .

FFunctionunction is to " is to "pumppump" " blood through the blood through the circulatory system by circulatory system by contracting contracting

Cardiac MuscleCardiac Muscle

Smooth MuscleSmooth MuscleType of non-striated Type of non-striated muscle, found in organs muscle, found in organs blood vessels, the blood vessels, the bladder, the uterus, and bladder, the uterus, and the digestive system the digestive system

Smooth MuscleSmooth Muscle

ArthritisArthritisPainful Inflammation of Painful Inflammation of freely movable joints. freely movable joints.

Immune system attacks Immune system attacks tissues around jointstissues around joints

SymptomSymptom stiffening & stiffening & swelling swelling

GoutGoutSystemic diseaseSystemic disease(throughout body)(throughout body)Build up of uric acidBuild up of uric acidSettles in joints causing Settles in joints causing inflammation and swellinginflammation and swelling

TendonitisTendonitisInflammation inInflammation in

the tendonsthe tendons

OsteoporosisOsteoporosis

A condition in A condition in which the body’s which the body’s bones become bones become weak and break weak and break easilyeasily