Margaret has taught many Biology and Environmental Science courses and has Master's degrees in Environmental Science and Education. Cite this lesson Learn about open and closed circulatory systems with a comparison of their similarities and differences. Discover the function of a circulatory system and...
美 英 un.闭锁式循环系统 英汉 un. 1. 闭锁式循环系统
:not open:enclosed b :made up entirely of closed tubes or vessels aclosedcirculatory system 2 :formed by a line that returns to its starting point aclosedcurve 3 :having elements that when a mathematical operation (as addition) is performed on them produce only other elements of the same se...
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Which of the following animals has a closed circulatory system? A. Insects B. Earthworms C. Jellyfish D. Sponges 相关知识点: 试题来源: 解析 B。蚯蚓具有封闭的循环系统。昆虫(选项 A)通常具有开放式循环系统;水母(选项 C)和海绵(选项 D)的循环系统也不是封闭的,所以答案是 B。
Closed Circulatory System: Definition & Advantage from Chapter 30 / Lesson 11 43K The human body uses a closed circulatory system to transport blood and nutrients within a closed circuit of vessels. Learn about the circulatory system, open and closed circulatory systems and the advantages of a...
very precise and attentive to details a close observer close measurements decided by a narrow margin a close race close5 of 5adverb in a close position or manner closedadjective not open : enclosed made up entirely of closed tubes or vessels a closed circulatory system formed by a line that ...
PROBLEM TO BE SOLVED: To provide a closed-system circulatory circuit-type culturing device solving the following problems: in a conventional closed-system circulatory circuit-type culturing device, it is impossible to keep pH constant through controlling optimum culturing environment according to cell ...
9. The closed water recirculatory system of claim 4, wherein the biofilter comprises a tank containing means for oxidizing and said means comprises: a plurality of plastic substrates; means for showering water onto the plastic substrates; and means for blowing air upwardly into the biofilter...
闭合性颅脑损伤(Closed craniocerebral injury) Closed brain injury Edit this section of disease classification neurosurgery Edit the description of the disease The brain tissue is divided into two categories: open and closed according to whether the brain tissue is connected with the outside. The former...