Skeletal System (Whole Group)

At birth, you had more than 300 bones, which fused together as you grew. By the time your body is finished growing, you’ll have about 206 bones. Researchers at Wright State University School of Medicine in Ohio have discovered that kids who exercise have stronger bones as adults.

skeletal system

Students will be able to describe the function and parts of the skeletal system.

Multiple Choice

About how many bones do adults have?

• 300

• 50

• 206

Bones

• You were born with 300 bones

• Adults have 206

• Some bones fuse together as you grow

• Bones work with muscles for movement

• Bones help maintain homeostasis by storing minerals and making blood cells.

Bone Structure

• made of connective tissue and minerals

• compact bone - rigid and dense outside

• spongy bone - tiny canals inside that provide strength and support

• soft tissue called marrow fills in spaces of spongy bone

• Red marrow makes blood cells

• yellow marrow stores fats

Multiple Choice

What are the 2 types of bone tissue?

• spongy bone and compact bone

• marrow and blood vessels

• axial and appendicular

Multiple Choice

Which statement is not a function of the skeletal system?

• Protects organs

• stores minerals

• circulates blood in the body

• helps with movement

Multiple Choice

Which bone structure makes new blood cells?

• Compact

• Spongy

• Red Marrow

• Yellow Marrow

Multiple Choice

What is cartilage?

• joints that connect bone to tissue

• Connective tissue that acts as balance for the body

• Connective tissue near joints that act as a shock absorber

• a piece of tissue that is attached to the scapula