In the passage about science, what is the function of the heart? A. To think. B. To breathe. C. To pump blood. D. To digest food. 相关知识点: 试题来源: 解析 C。解析:心脏的功能是泵血,A 思考是大脑的功能,B 呼吸是肺的功能,D 消化食物是消化系统的功能,所以答案是 C。
题目What is the function of the heart? A. To digest food B. To pump blood C. To produce hormones D. To filter waste 相关知识点: 试题来源: 解析 B。解析:心脏的功能是泵血。消化食物是消化系统的功能,A 错误;产生激素是内分泌系统的功能,C 错误;过滤废物是肾脏的功能,D 错误。
What is the main function of the heart? A. To pump blood. B. To digest food. C. To breathe air. D. To think. 相关知识点: 试题来源: 解析 A。本题考查对心脏功能的了解。心脏的主要功能是泵血,将血液输送到身体各个部位,B 选项消化食物是消化系统的功能,C 选项呼吸空气是呼吸系统的功能,D ...
The heart pumps blood. What is the main function of the heart? A. To breathe B. To pump blood C. To digest food D. To see things 相关知识点: 试题来源: 解析 B。心脏的主要功能是“To pump blood”(泵血)。选项 A“To breathe”(呼吸)是肺的功能;选项 C“To digest food”(消化食物)...
百度试题 结果1 题目What is the main function of the heart? A. Digestion B. Respiration C. Circulation of blood D. Filtration of toxins 相关知识点: 试题来源: 解析 C 反馈 收藏
What is the main function of the heart? A. To digest food. B. To pump blood. C. To filter waste. D. To produce hormones. 相关知识点: 试题来源: 解析 B。心脏的主要功能是泵血。选项 A 消化食物是消化系统的功能;选项 C 过滤废物主要是肾脏的功能;选项 D 产生激素有内分泌腺等负责。
ow does heart function?In a healthy adult, the heart beats an average of (6)___ times a minute—about 100,000 times a day. The right atrium takesin oxygen-depleted blood from the rest of the body and sendsit back out to the lungs through the right (7)___ where the blood becomes...
The heart is a major organ of the body, and is part of the circulatory system. This is an organ system that functions to keep us alive, working closely with other organ systems of the body. Answer and Explanation:1 The main function of the heart is to pump our blood throughout t...
According to the article, what is the main function of the human heart? A. To think. B. To digest food. C. To pump blood. D. To produce hormones. 相关知识点: 试题来源: 解析 C。解析:人的心脏的主要功能是泵血。心脏不能思考、不能消化食物、也不是主要产生激素的器官。
what is the function of theaortic valve? A. controlling the flow of blood as it leaves the left ventricle B. pumping blood to the body C. pumping blood to the lungs D. stimulating heart contractions 相关知识点: 试题来源: 解析 A