Bones & Muscles

Functions of the skeletal system

Functions of the skeletal system

• Give shape & support

• Protect internal organs

• Moves muscles

• Form blood cells

• Store calcium and phosphorous

http://www.bmb.psu.edu

http://www.sirinet.net/~jgjohnso/bonestruct4.jpg

http://training.seer.cancer.gov/module_anatomy/images/illu_compact_spongy_bone.jpg

http://www.bmb.psu.edu/courses/bisci004a/bone/bone.htm

Joints

Joints

• Immovable

• Movable

http://www.nhfyouthworld.org/junior/mayjun/skeleton.jpg

http://www.bmb.psu.edu/courses/bisci004a/bone/fig81.jpg

http://www.douglas.bc.ca/biology/project/articulations/hinge.html

HINGE JOINT

http://www.douglas.bc.ca/biology/project/articulations/pivot.html

PIVOT JOINT

http://www.douglas.bc.ca/biology/project/articulations/ballsocket.html

BALL AND SOCKET JOINT

http://www.douglas.bc.ca/biology/project/articulations/gliding.html

GLIDING JOINT

Functions of the muscular system

Functions of the muscular system

• Stabilize joints with their TENDONS

• Produce movement (including standing upright)

• Produce heat to maintain body temperature

Types of muscle tissue

http://www.lifesci.utexas.edu/faculty/sjasper/images/john21.19.jpg

http://www.bio.psu.edu/

http://www.bmb.psu.edu/courses/bisci004a/tissues/skeletal.jpg

http://www.bio.psu.edu/

http://www.sc.edu/union/Sears/AnimalTissue/im.tissueCardiac.jpg

http://www.bio.psu.edu/

http://www.bmb.psu.edu

How do muscles work

http://www.sirinet.net/~jgjohnso/muscle.html

http://www.sirinet.net/~jgjohnso/muscle.html

http://www.sirinet.net/~jgjohnso/muscle.html

http://www.sirinet.net/~jgjohnso/muscle.html

http://www.cytochemistry.net/microanatomy/muscle/smooth1.jpg