Skeletal System Quiz

How many bones do adult humans have?

• 206

• 24

• 270

• 145

Which life process is the skeleton NOT most important for?

• Movement

• Protection

• Support

• Nutrition

Label the adult long bone! The functions are on the left side. The names of the parts are on the right side.

a

b

c

d

e

f

g

h

spongy bone(red marrow)

Cushion to protect against rubbing

compact bone

yellow bone marrow

Store fat

Creates blood cells

Protects

cartilage

This strong, thread-like tissue holds two bones together at a joint.

• ligament

• blood vessel

• intestine

• nerve

Bones are (a)   that constantly​ (b)   as we grow.

• living tissues
• change
• organs
• remain the same
• structures
• blood cells
• shrink

Organize these options into the right categories

Groups:

(a) Long Bones

,

(b) Short Bones

,

(c) Irregular Bones

,

(d) Flat Bones

• Flat surface

• Designed for strength and stability

• Small and compact

• Spine, bottom half of face

• Complex shape

• Many functions, like protecting and providing support

• Protector and point of attachment for muscle

• ankle/wrist bones

• Skull, ribs, hip

• Leg bones

• Cylinder shaped

• Support the weight of the body

(a)   and ​ (b)   are made in the bone marrow, the hollow part of the bone.

• Red blood cells
• white blood cells
• Melatonin
• dopamine
• Keratin cells
• bacteria cells

This material is in our ears and nose and can bend without breaking.

• cartilage

• bones

• blood

• intestines

The bones work with the _______________ to make us move.

• stomach

• lungs

• muscles

• cartilage

What two organs does the rib cage protect?

• heart

• lungs

• brain

• eyes