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Anatomy Weeks 6-12

QuestionAnswer
What is the main difference between axial and appendicular muscles? Axial muscles support and position the head, neck, and trunk; appendicular muscles move and support the limbs.
Which major muscle group is responsible for flexing the forearm at the elbow? The biceps brachii (appendicular muscle).
What are the two major divisions of the nervous system? The central nervous system (CNS) and the peripheral nervous system (PNS).
: What cell type supports, protects, and nourishes neurons? Neuroglia (glial cells).
What is the main function of the autonomic nervous system (ANS)? : It controls involuntary functions such as heart rate, digestion, and breathing.
Which part of the CNS is responsible for processing and coordinating sensory data and motor commands? The brain and spinal cord.
What is the function of the sensory receptors in the body? To detect stimuli such as light, sound, pressure, or chemicals and send signals to the brain.
What is the role of the endocrine system? It secretes hormones that regulate metabolism, growth, reproduction, and homeostasis.
What structure in the heart prevents backflow of blood? The valves (tricuspid, bicuspid/mitral, pulmonary, and aortic valves).
What are the main components of blood? Plasma, red blood cells, white blood cells, and platelets.
What is the primary function of the lymphatic system? To return excess fluid to the bloodstream and provide immune defense.
Which organ filters blood and helps remove damaged red blood cells? The spleen.
What is the main function of the respiratory system? Gas exchange—bringing oxygen in and removing carbon dioxide.
What muscle is primarily responsible for breathing? The diaphragm.
Created by: user-1989678
 

 



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