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Skeletal and Muscle Systems Chapter 5
Skeletal System Composed of bone and cartilage
Periosteum: Connective tissue that covers the bone’s surface
Joint: Union of two bones
Ligaments, Tendons, and a tough fibrous capsule provide stability to the joint
Skeleton Stores: Minerals (calcium and phosphorus Manufactures blood cells Stores fat in limb bones (in adults)
Long bones: found in limbs Support body weight Act as levers of propulsion
Short: found in knee and hock Aid in shock of impact
Flat: ribs, scapula, some in skull Encloses vital organs
Irregular bones: unpaired bones Vertebrae and some in skull
Bony growths (splints, spavins, and ringbone) are a result of injury to the periosteum Periosteum nourishes the bone through blood vessels (like antlers)
Cartilage: Covers joints Diminishes effect of concussion and provide a smooth joint surface to minimize frictional resistance to movement
Axial Skeleton: skull, spine, ribs, breastbone, pelvis, tail Appendicular Skeleton: forelegs and hindlegs
Muscle system Provides movement internally and externally Red flesh or lean meat 50% of the body weight
3 types of muscles: Smooth- involuntary Cardiac – involuntary striated Striated or Skeletal
Smooth Muscles: 1.Digestive system 2.Uterus of females
Peristalsis: Wavelike contractions of digestive system Can contract for hours without getting fatigued
Cardiac Muscle: Only in the heart Contraction requires no nerve stimulus Split-second intervals of rest
Striated or Skeletal Muscle Attached to bony levers Move the body voluntarily with control of the will
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The Skeletal System Supports the body Protects soft organs Allows movement due to attached skeletal muscles Stores minerals and fats Blood cell formation.
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CHAPTER 5 – PART 1 The Skeletal System. Two Divisions of the Skeleton: 1. Axial Skeleton – The bones that form the longitudinal axis of the body. 2. Appendicular.
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Skeletal & Muscular Systems Form and Movement. Functions of the Skeleton Gives form to the organism Stores minerals such as calcium Serves as attachment.
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Locomotion Review. 1.Made up of fat cells. 2. Produces blood cells. 3. Part of the bone that is very hard due to calcium and phosphorus. 4. Found at the.
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33.1 Skeletal System KEY CONCEPT The skeletal system includes bones and tissues that are important for supporting, protecting, and moving your body.
There are two types of Skeletons: 1)Exoskeletons-On the outside of the body 2) Endoskeletons-On the inside of the body.
The Skeletal System. Functions of the Skeletal System Supports and protects the body. Allows the body to move. Produces red blood cells. Stores minerals.
Skeletal(Bones), Muscular(Muscles), and Integumentary(Skin) Systems.
P1. Functions: 2) Provides a framework for the body 1) Allows movement of the body as a whole and its individual parts The skeleton gives the body its.
The Skeletal System. Types of skeletons Exoskeleton: outside the body Arthropods (lobster) Endoskeleton: Inside the body Vertebrates such as humans.
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Skeletal System. The human skeleton consists of…well, tradition says 206, but who really cares? More importantly is what the skeleton does. 1.It provides.
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