The (automatic) involuntary nervous system {Ans: regulates automatic activity of smooth and and cardiac muscles. has 2 further parts: Sympathetic and parasympathetic}Synapse {Ans: the junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron}function of testes {Ans: produce sperm and male hormones (testosterone)}Ionic bonds form between {Ans: metals and nonmetals}cilia in lungs {Ans: Lines the epithelial cells millions of hairlike cells lining the tracheobronchial tree keeps/ propels mucus}intermolecular forces {Ans: forces of attraction between molecules ex) soild, gas , liquid these are weak}duodenum {Ans: first portion of the small intestine that accepts the contexts of the stomach}intestinal villi of small intestine {Ans: A series of fingerlike projections in mucosa of small intestine Also increase surface area}prone vs supine {Ans: Prone (Laying on stomach), Supine(Laying on back)}Ions {Ans: positively and negatively charged atoms}perfect square {Ans: These are 1,4,9,25,36,49,64,81,100}Microvilli {Ans: Forms the brush border of the intestinal epithelial cell lining this is where the absorption of water and nutrients from the intestinal lumen occurs}Aldehyde {Ans: An organic molecule with a carbonyl group located at the end of the carbon skeleton.}The