Skeletal system - Introduction to the human skeletal system

7 important questions on Skeletal system - Introduction to the human skeletal system

What is called as the skeletal system? Provide a very brief overview of each part

Bones
Tendons- connect muscle to bone
Ligaments- connect bones to bone

What are the functions of the skeletal system? 5

Bones and joints are attached to skeletal muscles allowing movement of the skeleton

Bone marrow- produces red blood cells, white blood cells and platelets

shape

protection- bones allow for the protection of delicate and soft organs

Storage:  Mineral such as calcium are strored in the bone a growing fetus will take calcium from stores, escpecially in the third trimester.

What two catagories can the skeleton be divided into? What are these categories, what is the function of them. How many bones in each?

Axial skeleton- Skull, spine, ribs, sternum - provides support protection, carries other body parts. Total of 80 bones

Appendicular skeleton- arms and legs and bones that attach them to the axial skeleton.

What do they do? Principle function is to help with movement.

Total number of bone 126
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How many bones is a baby born with and how many does an adult have? Why are babies less bony

300- baby
206- adult

Babies need to be soft and limber for the birth process.

Name the 5 ways that bones are classified according to their sizes and shape?

Long- femur
short- intermediate cuneiform and medial cuneiform
irregular- vertabra
flat - sternum
sesamoid (a bone embedded in a tendon or a muscle-  patella  (knee cap)

Label the bones in the picture

Refer to picture

What are the part of the vertebrae (spinal column) and how many vertabrae does each part have?

Refer to picture

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