Grade-5 Skeletal System

The functions are the skeletal system are

• To support the body, protect the organs, store calcium, and produce blood cells

• to regulate the composition of body fluids by removing metabolic wastes and retain the balance of water, salt, and other nutrients

• to regulate and maintain bodily functions by producing hormones and releasing them into the blood stream

• to enable the diffusion of oxygen into the bloodstream and the removal of carbon dioxide from the bloodstream

What are the 2 organs in the skeletal system?

• muscles and joints

• joints and bones

• heart and lungs

• kidney and pancreas

Where is new blood cells created?

• In the scapula

• In bone marrow, located inside the bone

• In the patella

• In bone marrow, located inside the muscle tissue

How many bones are in the adult human body?

• 260

• 280

• 208

• 206

identify the skeletal bone in the picture that is highlighted green and blue; also known as the breastbone

• clavilce

• Sternum

• Rib Cage

• verterbrae

Identify the skeletal bone in the picture highlighted green

• fibula

• femur

• tibia

• phalanges

Identify the skeletal bone in the picture highlighted blue

• mandible

• humerus

• cranium

• femur

Identify the skeletal bone in the picture highlighted red that is the upper arm or forelimb, forming joints at the shoulder and the elbow

• ribs

• phalanges

• patella

• humerus

Identify the skeletal bone in the picture highlighted in red

• sternum

• ribs

• femur

• vertebrae

Identify the skeletal bone in the picture highlighted in green; cartilage surrounds this bone to act as a shock absorber

• femur

• mandible

• humerus

• patella