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开放式循环系统和闭合循环系统之间的差异

February 9, 2011Posted bySamanthi博士

这关键区别between open circulatory system and closed circulatory system is that在开放式循环系统中,血液和间质流体在封闭的循环系统中,彼此混合,血液和其他液体永远不会相互混合。

开放式循环系统和封闭循环系统是两种方式circulatory system在人类和其他动物中起作用。对于正常的身体功能,要在整个身体中分配营养和其他材料,大多数动物都需要具有循环系统。这可能是开放的或封闭的循环系统。最基本的生物具有基本的循环系统,超出了本文的范围。复杂的生物,例如动物和人类,具有封闭的或开放的循环系统,可以轻松地在整个生物体中泵送血液,并从人体中清除废物。这篇特定的文章包含了一个强调开放式循环系统和在生物体中看到的闭合循环系统之间的差异的事实。

CONTENTS

1。概述和关键差异
2。What is Open Circulatory System
3。什么是封闭的循环系统
4。开放式循环系统和闭合循环系统之间的相似之处
5.并排比较 - 打开循环系统与封闭式循环系统以表格形式
6.Summary

什么是开放式循环系统?

Open circulatory system is one of the circulatory systems found in the two largest phyla;Arthropoda and Mollusca。In comparison to the closed circulatory system, open circulatory system is less complex. Here, heart pumps blood into open cavities from where the blood vessels carry it to all parts of the body bathing all organs that come in its path. There are no arteries to increase blood pressure, and hence, such animals have more blood at low pressure.

开放式循环系统和闭合循环系统之间的差异_Fig 01

Figure 01: Open and Closed Circulatory Systems

此外,那些具有开放式循环系统的有机体将血液与间质液混合在一起。因此,我们将这种血液称为血淋巴,而这种血液并不像具有闭合循环系统的生物体那样纯净。此外,这种血液是血液和间质液的混合物。

什么是封闭的循环系统?

Closed circulatory system is one of the advanced circulatory systems possessed by vertebrates and few invertebrates. In a closed system, blood remains within a network of vessels and does not leave it or fill the body cavities. Thus, the organs do not get bathed by the blood unlike in the organisms those have an open circulatory system. Closed circulatory system consists of a true heart and the blood vessels such as veins, capillaries and arteries. Therefore, blood never mixes with other fluids. Hence, it remains as true blood which is pure. Furthermore, heart pumps blood with pressure in order to supply for all body parts.

开放式循环系统和闭合循环系统之间的差异_Fig 02

图02:闭合循环系统 - 人类循环系统

此外,还有两种循环途径。他们是;肺和系统循环,这在整个身体中传递血液。肺循环从心脏到肺取代血液以进行氧合,而系统的循环则在整个体内分布了这种含氧血液。血液保持静脉结构,并以高压快速运输到身体的所有部位。

开放式循环系统和闭合循环系统之间有什么相似之处?

  • 开放式循环系统和闭合循环系统都将氧气和养分运输到器官并去除废物。
  • Also, they both have a heart and vessels.

开放式循环系统和闭合循环系统有什么区别?

开放式循环系统和闭合循环系统是生物体中发现的两种类型的循环系统。可以在两个主要的门节节道和软体动物中看到开放式循环系统,而在脊椎动物和少数无脊椎动物中可以看到闭合的循环系统。此外,开放循环系统和闭合循环系统之间的主要区别在于血液的纯度。具有开放式循环系统的生物没有真正的血液,因为血液与间质液混合在一起,而拥有闭合循环系统的生物体具有与任何其他液体混合的纯血。

Another difference between open circulatory system and closed circulatory system is the pressure of the blood. Blood of the open circulatory system does not travel with pressure while the blood of the closed circulatory system travels with high pressure since the heart pumps blood through the vessels. The below infographic shows further information on the difference between open circulatory system and closed circulatory system.

打开循环系统和闭合循环系统以表格形式的差异

摘要 - 开放式循环系统与闭合循环系统

在开放式循环系统中,血压保持较低,血压沐浴在血液中。在封闭的循环系统中,血液的压力很高。在复杂的血管网络中,血液传播,因此器官不与血液接触。此外,与开放式循环系统的血液相比,闭合循环系统的血液永远不会与间质液混合。但是,与封闭的循环系统相比,开放式循环系统可以为血液提供较少的能量需求,该循环系统需要更多的能量来泵送血液。因此,这是开放循环系统和闭合循环系统之间的差异。

参考:

1。Study.com, Study.com.在这里可用
2.“循环系统审查。”可汗学院,可汗学院。在这里可用

图片提供:

1.图40 01 01ab”CNX OpenStax,,,,(CC BY 4.0)通过下议院维基梅迪亚
2。”Circulatory System en”By LadyofHats, Mariana Ruiz Villarreal – Own work (Public Domain) via下议院维基梅迪亚

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提交以下:生物学

关于作者:Samanthi博士

Samanthi博士Udayangani holds a B.Sc. Degree in Plant Science, M.Sc. in Molecular and Applied Microbiology, and PhD in Applied Microbiology. Her research interests include Bio-fertilizers, Plant-Microbe Interactions, Molecular Microbiology, Soil Fungi, and Fungal Ecology.

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