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Surfactant is needed in the lung to increase the surface tension in the alveoli.
Q8: Which of the following is not a
Q10: Muscle contractions that propel food through the
Q23: The main function of lacteals is<br>A) to
Q65: An injection of antibodies made by someone
Q72: Which blood vessel allows blood from the
Q78: Tricuspid valve<br>A)1<br>B)2<br>C)3<br>D)4<br>E)5<br>F)6<br>G)7<br>H)8<br>I)9<br>J)10<br>K)11
Q95: Aortic semilunar valve<br>A)1<br>B)2<br>C)3<br>D)4<br>E)5<br>F)6<br>G)7<br>H)8<br>I)9<br>J)10<br>K)11
Q138: Organs of the respiratory system are designed
Q178: The "Adam's apple" is part of the
Q189: The lacrimal sacs drain directly into the<br>A)