skeletal, muscular, nervous system

Which organ produces blood cells?

•  your bones
• your heart
• your muscles
• your brain

The type of involuntary muscle that moves food through the digestive tract is called:

• skeletal muscle
• cardiac muscle
• smooth muscle
•  rough muscle

Which of the following is NOT a function of the skeletal system?

• providing shape and support for the body
• transporting materials around the body     
• protecting internal organs   
• providing an attachment site for muscles

 Which type of muscle is voluntary?

• skeletal
• cardiac
• smooth
• both B and C

Which of the following is NOT a function of the muscular system?

• To allow our heart to beat
• To allow us to move our arms and legs
• To store minerals
• To push food through our digestive system

Cardiac, smooth, and skeletal are the three kinds of 

• tissue
• muscles
• blood vessels
• bones

attaches bone to bone

• tendon
• ligament 

The skeletal system does all of the following EXCEPT

• produces red blood cells
• stores calcium and minerals
• protects organs
• excretes waste

How many bones are in the adult human body?

• 200
• 206
• 205
• 204

One of the main jobs of cartilage is to

• make blood
• make marrow
• cushion bones
• hold fingers together