Multiple ChoiceThe digestive and respiratory systems are both responsible for taking in useful molecules into the body. When taken in by these systems, where do the molecules go first?1828views19rank
Multiple ChoiceWhich system is the least responsible for keeping you alive on a day-to-day basis?1534views29rank
Multiple ChoiceWhich two systems allow materials to move from one region of the body to another?1352views35rank
Multiple ChoiceWhich organ systems directly allow waste materials to be passed out of the body?1303views19rank
Multiple ChoiceOf all your systems, the integumentary, respiratory, and digestive most regularly experience infection from microorganisms. Which answer best describes why that may be the case?1306views30rank
Textbook QuestionThe structural and functional unit of life is a. a cell, b. an organ, c. the organism, d. a molecule.473views3rank
Textbook QuestionTwo of these organ systems bear the major responsibility for ensuring homeostasis of the internal environment. Which two? a. nervous system, b. digestive system, c. cardiovascular system, d. endocrine system, e. reproductive system.617views1rank
Textbook QuestionAssume that the body has been sectioned along three planes: (1) a median plane, (2) a frontal plane, and (3) a transverse plane made at the level of each of the organs listed below. Which organs would be visible in only one or two of these three cases? a. urinary bladder, b. brain, c. lungs, d. kidneys, e. small intestine, f. heart.743views