Lesson 3 Quarter 3 (Bio 2)

Skeletal System

frameworks

Skeletal system provides supporting ? of body

Skeletal system

It protects some viscera, brain, spinal cord, sense organs, and the hematopoietic system

lever

Skeletal system provides ? for muscle

mineral

Skeletal system has storage of ? like calcium and phosphorus

osteogenesis

Ossification is also called as ?

Ossification

is the process of bone formation

osteoblast

Ossification is the process of bone formation by ?

Intramembranous and Endochondral

What does ossification form

Intramembranous ossification

fibrous membranes of some part of fetal skeleton are converted to bone

skull, clavicles, lower jaw

What are the examples of Intramembranous ossification

Endochondral ossification

conversion of cartilage into bone

skull, mandible, clavicles

All of the bones of the body, except for the flat bones of the ?, are formed through endochondral ossification

Skull, Hyoid Bone, Vertebral Column, Ribs, Sternum

The axial division consists of ?

Pectoral Girdle, Upper Extremity Bones, Pelvic Girdle, Lower Extremity Bones

The Appendicular Division consists of ?

Ethmoid, Sphenoid, Frontal, Parietal, Temporal, Occipital

Determine the bones in order

Hyoid bone

What bone is this?

Cervical vertebrae, Thoracic vertebrae, Lumbar vertebrae, Sacrum, Coccygeal vertebrae, Cervical curve, Thoracic curve, Lumbar curve, Sacral curve

Determine the bones in order

True ribs, False ribs, Vertebrochondral Ribs, Floating Ribs, Thoracic vertebra, Manubrium, Body, Xiphoid Process, Sternum, Ribs, Costal cartilage

Determine the bones in order

Clavicle, Scapula

Determine the bones in order

Clavicle, Scapula, Humerus, Ulna, Radius, Carpals, Metacarpals, Phalanges

Determine the bones in order

Sacrum, hip bone, coccygeal vertebrae, femur, patella, tibia, fibula, tarsal bones, metatarsals, phalanges

Determine the bones in order

long bone

what classification of bone is humerus of arm

short bone

carpal of wrist

flat bone

what classification of bone is sternum

irregular bone

vertebra

8

How many cranial bones are there?

7

how many cervical vertebrae do humans have?

12

how many thoracic vertebrae do humans have?

5

how many lumbar vertebrae do humans have?

14

how many true ribs do humans have?

10

how many false ribs do humans have?

4

how many floating ribs do humans have?

Long Bones

longer than they are wide

long bones

what classification of bone is femur

long bones

what classification of bone is tibia

long bones

what classification of bone is fibula

long bones

what classification of bone is humerus

long bones

what classification of bone is radius

long bones

what classification of bone is ulna

Short bones

can be approximately cube-shaped

Short bones

length is similar to wdith/depth/diameter

short bones

what classification of bone is carpal bones

short bones

what classification of bone is tarsal bones

Flat bones

have a thin shape, in some case, it provides mechanical protection to soft tissues beneath or enclosed by flat bone

Flat bones

what classification of bone is frontal

Flat bones

what classification of bone is parietal

Flat bones

what classification of bone is sternum

Flat bones

what classification of bone is ribs

Flat bones

what classification of bone is scapula

Irregular bones

have complicated shaped that cannot be classified as long, short, or flat.

Irregular bones

Their shape depends with their role

Irregular bones

what classification of bone is axis

Irregular bones

what classification of bone is hyoid

Irregular bones

what classification of bone is zygomantic

Sesamoid bones

develop in some tendons in locations where there is considerable frictions, tension, and physical stress

Sesamoid bones

what classification of bone is patella

Joints

also known as an articulation or articular surface

Joints

a connection that occurs between bones in the skeletal system

movement

Joints provide the means for ?

structure and function

Joints can be classified based on ?

Structural and Functional

Joints is divided into?

Fibrous, Cartilaginous, Synovial

What are the structural joints?

Pivotal, Hinge, Saddle, Plane, Ball and Socket, Condyloid

What are the functional joints?

Fibrous Joints

fixed joints

immovable joints

Fibrous Joints is also called as ?

Fibrous Joints

found where bones are not flexible

Cartilaginous Joints

These joints occur only in those regions where the connection between the articulating bones is made up of cartilage

Synovial Joints

the most common type of joint

Synovial Joints

helps us to perform a wide range of motion such as walking, running, typing, and more

Pivotal Joints

What type of joint is in the neck?

Pivotal Joints

in this type of joint, one bone has tapped into the other in such a way that full rotation is not possible

Pivotal Joints

this joint aid in sideways and back-forth movement

Hinge Joints

only back and forth movement is possible

Hinge Joints

What type of joint is the ankle

Hinge Joints

What type of joint is elbows

Hinge Joints

What type of joint is knee joints

Saddle Joints

biaxial joint that allows the movement on two planes-flexion/extension and abduction/adduction

thumb

What is the only bone in the human body having a saddle joint

Plane Joints/Gliding

this joint permit two or more round or flat bones to move freely together without any rubbing or crushing of bones

Plane Joints/Gliding

the lower leg to the ankle joint is what type of joint

Plane Joints/Gliding

the forearm to wrist joint is what type of joint

Ball and Socket Joint

one bone is hooked into the hollow space of another bone

Ball and Socket Joint

This type of joint helps in rotatory movement

Ball and Socket Joint

what type of joint are the shoulders

Condyloid Joint

are the joints with two axes which permit up-down and side-toside motions

Condyloid Joint

what type of joint can be found in the base of the index finger

Condyloid Joint

what type of joint can be found in the carpals of the wrist

Condyloid Joint

what type of joint can be found in the wrist joints

condylar or ellipsoid joint

Condyloid joint is also known as a ?

heads

men have larger ? compared to women

shorter

women are ? compared to men

arms and legs

men’s ? are longer compared to women

pelvises and torsos

women have wider ? compared to men

Suture

joint held together with very short, interconnecting fibers, and bone edges interlock

Suture

this is found only in the skull

Syndesmosis

Joint held together by a ligament

Syndesmosis

longer than sutures

Gomphosis

peg-in-socket fibrous joint

Synchondroses

bones united by hyaline cartilage

Symphyses

bones united by fibrocartilage