The skeletal system

What is the definition of the skeletal system?

• It is the organ system that supports and protects the body and allows it to move.

• It is what is made of mostly muscles that allow your body to move and be flexible.

• It is what allows your body to break down and digest food to gain nutrients and minerals.

• It is what excretes the waste after your body digests food.

What do we call the skeleton inside the human body?

• Exoskeleton

• Spinal cord

• Endoskeleton

• Ribcage

When long bones lengthen at their ends in areas called:

• Osteoblasts

• Growth plates

• Osteocytes

• Ligaments

What are the three types of muscles?

• Skeletal muscle, smooth muscle, cardiac muscle

• Skeletal muscle, back muscle, face muscle

• Skeletal muscle, femur muscle, arm muscle

• Stomach muscle, smooth muscle, face muscle

Protein allows muscle cells to:

• Rip and build

• Relax and loosen

• Contract and relax

• Tense and contract

Draw where the cartilage is found on the bone

The minerals in bones are deposited by bone cells called:

• Sponge bone

• Bone marrow

• Osteocytes

• Osteoblasts

The connective tissue in bone is made mostly of a protein called:

• Collagen

• Bone marrow

• Fat

• Cartilage

Smooth muscle movement:

• Helps you to stand upright.

• Helps you move your muscles.

• Helps your digestive system move food through your intestines.

• Helps your digestive system break down food.

Muscles contract and relax to help with: