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The major function of the superior colliculi includes reflexes involved with
Aorta
The main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries.
Ventricles
Cavities within the brain that produce and contain cerebrospinal fluid, playing a crucial role in cushioning the brain and maintaining intracranial pressure.
First Heart Sound
The sound produced by the closure of the AV (mitral and tricuspid) valves at the beginning of ventricular contraction or systole.
Second Heart Sound
The second heart sound is produced by the closing of the aortic and pulmonary valves at the beginning of ventricular diastole.