Key Anatomical Structures in the Human Body Flashcards
(30 cards)
What are the major bones of the human body?
Cranium, clavicle, scapula, humerus, femur, tibia, fibula, vertebrae, etc.
What type of joint is found at the shoulder and hip?
Ball-and-socket joint.
What type of joint is found at the elbow and knee?
Hinge joint.
What is the function of the vertebrae?
Protects the spinal cord and supports body structure.
What type of joint allows rotation of the head?
Pivot joint (atlas-axis joint).
Name three major muscles in the upper body.
Deltoid, biceps, triceps.
Name three major muscles in the lower body.
Quadriceps, gluteus maximus, hamstrings.
What are the four main muscle groups based on function?
Flexors, extensors, abductors, adductors.
What is the function of the biceps muscle?
Flexion of the elbow joint.
What is the function of the quadriceps?
Extension of the knee joint.
What are the major structures of the brain?
Cerebrum, cerebellum, medulla oblongata, brainstem.
How is the spinal cord divided?
Cervical, thoracic, lumbar, sacral segments.
What is the function of the sciatic nerve?
It controls movement and sensation in the lower limbs.
What is the primary function of the cerebellum?
Coordination of movement and balance.
Which nerve is responsible for sensation in the hand?
Ulnar nerve.
Name the four chambers of the heart.
Right atrium, right ventricle, left atrium, left ventricle.
What is the function of the mitral valve?
Prevents backflow of blood between the left atrium and left ventricle.
What is the largest artery in the body?
Aorta.
What is the function of the superior vena cava?
Returns deoxygenated blood from the upper body to the heart.
What is the function of carotid arteries?
Supply oxygenated blood to the brain.
What are the main structures of the lungs?
Left and right lobes, bronchi, alveoli.
What is the function of the alveoli?
Gas exchange (oxygen and carbon dioxide).
What structure connects the mouth/nose to the lungs?
Trachea.
What is the function of bronchioles?
Distribute air to alveoli for gas exchange.