Answer:
reduce exposure to foreign substances. humidify and warm inhaled air. increase air flow to arteries, veins
Answer:
the nutrients in the food is absorbed
Answer:
three types of stimuli—mechanical, thermal, and chemical; some endings respond primarily to one type of stimulation, whereas other endings can detect all types. Chemical substances produced by the body that excite pain receptors include bradykinin, serotonin, and histamine."
Explanation:
From edge
Genes are the segments of DNA transferred from parents to offspring
