PIG VS. HUMAN

Overall Description

    The primary function of the skeletal system is to provide a framework for the tissues of your body. It also serves to protect important organs such as the heart, lungs, and brain. Besides support and protection, the skeleton is designed for efficient movement. The joints allow for this movement and the skeletons give a firm point of attachment for the muscles to pull against so they can work efficiently.     Bones are also responsible for producing blood cells. Red marrows are found in the humerus, femur, sternum, ribs, vertebrae, and the pelvis. They produce red blood cells, some white blood cell, and cell fragments that are involved in blood clotting. Yellow marrow, found in many other bones, store fats and aids in producing red blood cells when there is a massive blood loss due to severe injury.
    Finally, the bones of the skeleton serve as storehouses for minerals such as calcium and phosphorus. Calcium creates strong healthy bones and is used for transmitting nerve impulses for muscle contraction.
REFERENCE: BIOLOGY THE DYNAMICS OF LIFE

Major Organs, Tissues, and Structures

Part	Function
Ligament	Tough band of connective tissue that connects bones to bones.
Joint	Where two or more bones meet.
Bursa	Fluid filled sac between the bones. Acts as a cushion.
Tendons	A thick band of connective tissue that attaches muscles to bones.
Osteoblast	Potential bone forming cells; originates in the cartilage.
Compact bone	The hard layer of bone that surrounds bones.
Spongy bone	Spongy layer; has many holes and spaces; surrounded by compact bone.
Marrow	Soft tissue which fills the cavities of bones; produces blood cells.
Axial skeletons	One of the two main parts of the human skeleton; head, chest, spine.
Appendicular skeletons	Bones related to limb movement.

REFERENCE: BIOLOGY THE DYNAMICS OF LIFE

Comparison: Pig Vs Human
    Since pigs and humans are both mammals their skeletal system are very similar. Both pigs and humans have a jaw, or mandible that is directly hinged to the skull, while other vertebrates have a separate bone connecting the mandible to the skull. Another feature common to both the pig and human is the expanded nasal chamber of the skull. It has bones that are folded in complex convolutions, providing a large surface area for odor detection. They both have 7 neck bones.
    The difference between the skeletal system of the pig and the human are the shapes of the bones and its placement. While humans are bipedal, the pigs walk on all four limbs. Naturally the placement of the certain bones may differ. Other than that, the skeletal system of the pig has the same functions that the human skeletal system has.

REFERENCE: COMPTON'S ENCYCLOPEDIA ONLINE  http://comptonsv3.web.aol.com/

 Picture from: http://biodidac.bio.uottawa.ca/