Capillaries

• Exchange oxygen and carbon dioxide
• connect arteries to veins
• are all over the body
• all of the above

Smooth muscles

• Are the muscles that allow us to walk
• Are the muscles in our heart
• Are the muscles that work without thinking about them
• work closely with bones

The elbow is ___________ to the shoulder.

• proximal
• distal
• superior
• anterior

The knee is _______________ to the foot

• superior
• inferior
• distal
• caudal

Axillary is located at the

• head
• armpit
• foot
• sternum

Popliteal is located at the 

• arm
• back of knee
• front of knee
• leg

This is an example of what type of muscle?

• Voluntary
• Involuntary

The muscles tissue of this organ is called __________ and is __________.

• Smooth/Voluntary
• Cardiac/Voluntary
• Cardiac/Involuntary
• Skeletal/Voluntary 

The top layer of skin contains _______________

• Blood Vessels
• Smooth Muscle
• Cardiac Muscle

• Melanin

The outermost and thinnest layer of the skin is the:

• surface
• epidermis
• subcutaneous
• dermis