The Skeletal System By: Sophia Bianco Fernández and Jacob Anderle.
-
Upload
horatio-short -
Category
Documents
-
view
214 -
download
0
Transcript of The Skeletal System By: Sophia Bianco Fernández and Jacob Anderle.
The Skeletal System
By: Sophia Bianco Fernández
and Jacob Anderle
The Primary functions of the skeletal system
SupportProtectionMovement
Support
▪ Along with muscular and integumentary system, the skeletal helps to hold an organisms internal organs in.
Protection
▪ Bones protect internal organs because of they can resist pushing stress, pulling stress, and shear stress.▪ Ex: Skull protects brain,
ribcage protects heart and lungs.
Movement
▪ Along with muscular system, allows movement by providing an attachment point for tendons, ligaments, skeletal muscles, and joints.
Tertiary Functions
HearingMetabolism
Blood cell production
Hearing
▪ Three bones (ossicles) in the middle ear aid in sound transduction.
Metabolism
▪ Stores minerals, growth factor, and fat, balances pH of blood, helps detoxification, controls phosphate metabolism, regulates calcium balance, and produce osteocalcin.
Blood Cell Production
▪ Some bones (cancellous) contain bone marrow, it produces erythrocytes, leukocytes, and platelets.– By process called
hematopoiesis.
Major parts of the body related to the system
BonesOther
Bones
▪ Hard organ of the vertebral skeleton.▪ Long bones (femur), flat bones (scapula),
short bones (carpals), sesamoid bones (Patella), and irregular bones (vertebras).▪ Axial skeleton: bones that protect vital
organs in the head, trunk, and vertebrae.(skull, vertebral column, thoracic cage).▪ Appendicular skeleton: bones in the
extremities.(femur, humerus, ulna, radius, tibia, fibula, carpals, tarsals, metacarpals, metatarsals, phalanges, patella, clavicle, scapula).
Other
Cartilage▪ Flexible connective tissue. Less rigid than a bone, harder than a
muscle.
Ligaments▪ Fibrous connective tissue. Connects bones to other bones.
Tendons▪ Fibrous connective tissue. Connects muscle to bone.
Teeth▪ Not counted as bones, however still part of the skeletal system.
Formal knowledge
FactsTerminology
Additional information
Facts
▪ The skeleton of a human adult is made up of 206 bones.
▪ Babies have more bones than adults.
▪ The skeleton is symmetrical across the sagittal plane.
▪ In humans, more than half the bones of the body are in the hands and feet (27 in each hand, 26 in each foot; in total 106 out of 206).
▪ Bones are made of three layers: compact bone, spongy bone, bone marrow.
▪ You cannot directly move any bone in your body, except for your jaw.
Terminology
▪ Hematopoiesis: process of creating new blood cells.▪ Osteoblast: bone
forming cell.▪ Ostectomy: surgical
removal of a bone.▪ Erythrocyte: red
blood cell.▪ Leukocyte: white
blood cell.
Additional Information
▪ There are more bones in the appendicular skeleton than in the Axial skeleton.
▪ Teeth form part of the skeletal system, however they are not counted as bones.
▪ Bone grows until epiphyseal cartilage is ossified
▪ Almost all mammals have 7 cervical vertebrae
Citations
▪ Ms. Cox Website. (2013, October 4). Retrieved November 14, 2015, from http://mysite.cherokee.k12.ga.us/personal/laura_cox/site/Skeletal System/Forms/AllItems.aspx
▪ The Structure and Functions of Bones. (n.d.). Retrieved November 14, 2015, from http://www.ivyroses.com/HumanBody/Skeletal/Skeletal_System.php
▪ Cartilage.(n.d.). Retrieved November 14, 2015, from http://dictionary.reference.com/browse/cartilage?s=t
▪ Ligament. (n.d.). Retrieved November 14, 2015, from http://dictionary.reference.com/browse/ligament
▪ Tendon. (n.d.). Retrieved November 14, 2015, from http://dictionary.reference.com/browse/tendon
▪ 16 Skeletal System Facts for Kids | Navajo Code Talkers. (n.d.). Retrieved November 14, 2015, from http://navajocodetalkers.org/16-skeletal-system-facts-for-kids/