Soc 12 - Skeletal System

Question 1

5 functions of the skeletal system

Answer 1

. Protection of vital organs
. Muscle attachments
. Joints for movement
. Storing calcium
. Red, white blood cell production

Question 2

Bones in the spine

Answer 2

. Cervical(7)
. Thordcic(12)
. Lumbar(5)
. Sacrum(5, fused)
. Coccyx(4, fused)

Question 3

Bones in the hand and wrist

Answer 3

. Carpals
. Metacorpals
. Phalanges

Question 4

What is the name for the shoulder blade

Answer 4

Scapula

Question 5

What is the name for the coller bone?

Answer 5

Clavical

Question 6

Bones in the foot and ankle

Answer 6

. Tarsals
. Metatarsals
. Phalanges
. Tibia
. Ribula

Question 7

Bones in the leg

Answer 7

. Femur
. Patella

Question 8

Bones in the arm

Answer 8

. Humerus
. Radias
. Ulna

Question 9

Bones in the torso

Answer 9

. Pelvis
. Scapula
. Ribs
. Clavicle

Question 10

What is a long bone?

Answer 10

They are longer than wider and help with movement, strength and speed.

Question 11

What is a short bone

Answer 11

Generally the same size and length. They help with shock absorption and spreading loads.

Question 12

What are the 4 joints?

Answer 12

. Hinge
. Pivot
. Ball and socket joint
. Condyloid joint

Question 13

What does the hinge do?

Answer 13

Flextion and extension in the knee and elbow.

Question 14

What does the ball and socket joint do?

Answer 14

Made up of a socket and a ball. E.g. femur fitting into hiphone. This creates a wide range of motion.

Question 15

What does the condyloid joint-wrist joint do?

Answer 15

Mainly in the wist and allows us to do a circular motion.

Question 16

What is extension?

Answer 16

Straightening movement that increases the angle

Question 17

What is flextion?

Answer 17

Bending movement that decreases the angle

Question 18

What is dorsiflexion?

Answer 18

Bending or flexing toes up, closer to the shin

Question 19

What is Plantar flexion?

Answer 19

Extending or pointing toes down

Question 20

What is a flat bone?

Answer 20

Protects organs or offer a good surface for muscle growth

Question 21

What is abduction?

Answer 21

Movement that pulls away from the midline

Question 22

What is adduction?

Answer 22

Movement that pulls towards the midline

Question 23

What is Circumduction?

Answer 23

Moving in a circular shape

Question 24

What is rotation?

Answer 24

Movement around a single axis

Question 25

What is a tendon?

Answer 25

A tendon attaches the muscle to the bone which allow you to use more strength and power

Question 26

What is a ligament?

Answer 26

Ligaments join bones to bones, usually to hold things together. They are more elastic than tendors.