As a baby grows, cartilage:

a.
turns into muscle

b.
is replaced by tendons

c.
is replaced by bone

d.
turns into ligaments
3.

(10 pt) what function does the skull serve for the skeleton?

a.
movement

b.
protection

c.
support

d.
height
4.

(10 pt) true or false: the phalanges of the hands and feet the skeleton to move.

a.
true

b.
false
5.

(10 pt)
which leg bone provides mostly support for the skeleton?

a.
femur

b.
skull

c.
clavicle

d.
sternum
6.

(10 pt)
your vertebrae, or backbone, run along your back from the base of your skull to below your waist. the shape of each vertebra can best be described as:

a.
flat

b.
short

c.
irregular

d.
long
7.

(10 pt) your femur is a bone that starts at your pelvis and ends at your knee. its shape can best be described as:

a.
long

b.
short

c.
irregular

d.
flat
!