Which chamber of the heart receives oxygen-rich blood from the lungs?
What is the left atrium?
What structure covers the trachea during swallowing to prevent choking?
What is the epiglottis?
What part of the brain is responsible for higher thinking and reasoning?
What is the cerebral cortex?
What type of receptor detects odors in the nasal cavity?
What are chemoreceptors?
What are the three tiny bones in the middle ear collectively called?
What are the ossicles?
What structure prevents blood from flowing backward in the heart?
What are heart valves?
What term describes the movement of air into and out of the lungs?
What is ventilation?
What type of neuron carries signals from the body to the brain?
What is a sensory neuron?
What cells in the retina detect color?
What are cone cells?
What is the name of the structure where taste receptors are grouped together on the tongue?
What are taste papillae?
What is the name of the pacemaker of the heart?
What is the sinoatrial (SA) node?
What part of the brain controls the rate and depth of breathing?
What is the medulla oblongata?
What fatty substance insulates axons and speeds up nerve impulses?
What is myelin?
What is the name of the transparent front part of the eye that helps focus light?
What is the cornea?
What are the five types of taste that the human tongue can detect?
What are sweet, sour, salty, bitter, and umami?
Which blood vessels have the thickest muscular walls to withstand pressure?
What are arteries?
What is the name of the double-layered membrane surrounding the lungs?
What is the pleura?
What is the gap between two neurons where neurotransmitters are released?
What is a synapse?
What condition results in a complete loss of the sense of smell?
What is anosmia?
What membrane vibrates in response to sound waves at the entrance of the middle ear?
What is the tympanic membrane (eardrum)?
What condition results from a blockage of coronary arteries?
What is a myocardial infarction
What is the main function of surfactant in the lungs?
What is to reduce surface tension in the alveoli, preventing collapse?
Which division of the nervous system controls involuntary functions like heartbeat?
What is the autonomic nervous system?
What is the condition in which the lens becomes cloudy, leading to blurred vision?
What is a cataract?
Which cranial nerve transmits taste signals from the anterior two thirds of the tongue?
What is the facial nerve (cranial nerve VII)?