Skeletal System Flashcards
What is the main function of the skeletal system?
Supporting the body, protecting internal organs, providing movement, and storing minerals
How many bones are in the adult human body?
206
True or False: Bones are living tissue.
True
What is the hardest substance in the human body?
Tooth enamel
What are the two main types of bone tissue?
Compact bone and spongy bone
Which bone protects the brain?
Skull
What is the longest bone in the human body?
Femur
What is the purpose of red bone marrow?
Production of blood cells
What is the scientific name for the breastbone?
Sternum
What is the function of the rib cage?
Protecting the heart and lungs
True or False: The spine is made up of 33 individual vertebrae.
False, the spine is made up of 26 individual vertebrae
What is the purpose of ligaments in the skeletal system?
Connect bones to other bones
What is the scientific name for the shoulder blade?
Scapula
Which bone is commonly known as the kneecap?
Patella
What is the function of the hyoid bone?
Supporting the tongue and aiding in swallowing
True or False: The skeletal system is responsible for producing hormones.
False
What is the purpose of the axial skeleton?
Protecting the central nervous system and organs in the thorax
What is the term for the process of bone formation?
Ossification
Which type of joint allows for the greatest range of motion?
Ball and socket joint
What are the three main types of joints in the human body?
Fibrous, cartilaginous, and synovial joints
What is the function of cartilage in joints?
Providing cushioning and reducing friction between bones
True or False: Bones store calcium and phosphorus for the body.
True
What is the scientific name for the thigh bone?
Femur
What is the purpose of the sesamoid bones?
Protecting tendons from excessive wear and tear
