Skeletal and Muscular Systems

Muscles can only...

• push
• get longer
• contract
• increase in number of fibers with exercise

Skeletal muscles are attached to the _________.

• Stomach
• Lungs
• Bones
• Involuntary Muscles

What is the flexible rubbery tissue that helps cushion bones where they meet called?  

• ligaments
• cartilage
• tendons
• knee pads

How do pairs of skeletal muscles work together?

• while one contracts, the other returns to original length
• both muscles contract at the same time
• both muscles relax at the same time
• 1 muscle pulls on the bone and the other pulls on the first muscle

A strong connective tissue that holds movable joints together, bone to bone connection:

• marrow
• cartilage
• ligament
• tendon

Which is NOT a function of the skeletal system?

• producing blood cells
• protecting internal organs
• providing shape and support
• getting oxygen into your body

The spaces in bones are filled with a soft tissue that makes blood cells called __________.

• marrow
• blood
• sponge
• cartilage

Muscle is attached to bone by a connective tissue called a ___________.

• tendon
• ligament
• joint
• cartilage

Which organ system makes blood cells?

• digestive
• nervous
• circulatory
• skeletal

The main purpose of the muscular system is to:

• Keep the heart beating
• Move the body
• Protect internal organs
• Transfer oxygen