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Acetylcholine is a neurotransmitter released from motor neurons.
Diploid
Referring to a cell or organism that has two sets of chromosomes, one set inherited from each parent.
Malpighian Tubules
Excretory structures in some insects that remove waste products from the blood and empty them into the intestines for elimination.
Tympanum
The membrane in the ear that vibrates in response to sound waves; also known as the eardrum.
Tracheae
Tubes in the respiratory system that connect the larynx to the bronchi, allowing air passage to and from the lungs.
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Q101: Figure 44-3 Use the figure to answer
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Q118: Figure 44-2 <br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8678/.jpg" alt="Figure 44-2