axial and appendicular skeletons Flashcards
What are the two main divisions of the human skeleton?
Axial skeleton and appendicular skeleton.
True or False: The axial skeleton includes the skull, vertebral column, and rib cage.
True.
Fill in the blank: The appendicular skeleton consists of the ______ and the limbs.
girdles.
How many bones are typically found in the adult human axial skeleton?
80 bones.
What is the primary function of the axial skeleton?
To support the head, neck, and trunk, and to protect the brain and spinal cord.
Which bone is not part of the axial skeleton: skull, femur, or vertebrae?
Femur.
What are the two girdles that form part of the appendicular skeleton?
The pectoral girdle and the pelvic girdle.
True or False: The appendicular skeleton includes the bones of the arms and legs.
True.
How many bones make up the adult appendicular skeleton?
126 bones.
What is the role of the pectoral girdle?
To attach the upper limbs to the trunk.
Fill in the blank: The ________ is the only bone in the human body that does not articulate with any other bone.
hyoid bone.
Which part of the skeleton is primarily responsible for body movement?
The appendicular skeleton.
Name one of the two main components of the vertebral column.
Cervical, thoracic, lumbar, sacral, or coccygeal.
What type of joint is formed at the shoulder?
Ball-and-socket joint.
True or False: The pelvic girdle is made up of three bones on each side.
False. It is made up of two bones on each side.
What is the total number of cervical vertebrae in the human spine?
Seven cervical vertebrae.
Which part of the skeleton contains the ribs?
The axial skeleton.
Fill in the blank: The ________ consists of the clavicle and scapula.
pectoral girdle.
What is the main function of the rib cage?
To protect the heart and lungs.
Which bone is the longest in the human body?
Femur.
True or False: The sacrum is part of the appendicular skeleton.
False.
What type of bone is the vertebra classified as?
Irregular bone.
Name one function of the axial skeleton.
Support, protection, or housing vital organs.
How many pairs of ribs does an adult human typically have?
12 pairs of ribs.
