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Nepor Musa

Anatomy Week 6 - 12

QuestionAnswer
Which muscle flexes the elbow and supinates the forearm? Biceps brachii.
What structure contains the photoreceptors for vision? The retina.
Which part of the ANS is activated during stress or emergencies? Sympathetic division.
Which organ filters blood and removes old red blood cells? The spleen.
What structure is the main site of gas exchange in the lungs? The alveoli.
Which CNS structure controls balance and coordination? The cerebellum.
What is the natural pacemaker of the heart? The SA node.
What brain structure regulates temperature, hunger, and thirst? The hypothalamus.
What structure covers the larynx during swallowing to prevent choking? The epiglottis.
The thymus is largest during childhood and shrinks in adulthood. True.
What muscle assists the diaphragm during forced exhalation? Internal intercostals.
Long, thin thigh muscle that allows crossing the legs. Sartorius
Fluid that travels through lymphatic vessels and contains immune cells. Lymph
Which respiratory volume measures the maximum amount of air exhaled after a deep breath? Vital capacity.
Gaps between myelin sheaths that speed up nerve impulses.. Nodes of Ranvier
Which muscle group is responsible for hip extension? The gluteus maximus group.
The pineal gland releases melatonin, which helps regulate sleep cycles. True.
Small airways in the lungs that lead to the alveolar sacs. Bronchioles
When a neuron’s membrane potential becomes more positive, leading to a nerve impulse. Depolarization
Which hormone triggers red blood cell production in the bone marrow? Erythropoietin (EPO).
Created by: neporm12
 

 



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