组织和器官之间的差异

Thekey difference在组织和器官之间组织是一个具有相同功能的细胞集合，而器官是功能充当单位的组织集合。

细胞是所有生物体的基本结构和功能单位。一些生物只有一个细胞（单细胞生物），而其他包含许多细胞（multicellular生物）。单个细胞能够生长和发育，获得营养，呼吸，排泄，识别和对刺激和繁殖作用。在考虑动物界时，除原生动物以外的所有生物都是多细胞的。多细胞生物中的细胞专门执行不同的功能。细胞的这种专业化已使身体有效地发挥作用。组织和器官是多细胞生物中细胞的两种组织单位。此外，器官比组织占据更高的组织水平。让我们讨论组织和器官之间的区别。

内容

1.Overview and Key Difference
2.What is a Tissue
3.What is an Organ
4.组织与器官之间的相似之处
5.并排比较 - 表格形式的组织与器官
6。概括

What is a Tissue?

相似的细胞集体运行并在功能上专门形成组织。因此，组织可以定义为具有相同功能的相似细胞的集合。组织的形成是一种在生物体中分化或分裂的方法，它可能是广泛的。组织的主要优点是，通常，组织能够比单个细胞更有效地执行特定任务。组织中的细胞并不总是相同的，但是它们具有相同功能的胚胎皮肤起源和专业化。

Histology is the study area of tissues. The main techniques used to recognize and differentiate different components of tissue are embedding, sectioning, and staining. There are four basic types of animal tissues. They areconnective,肌肉,紧张的, and上皮组织. They make up all the systems and the whole body of an animal.

What is an Organ?

An organ is a collection of tissues that work together as a functional unit. Generally, the cells of a tissue function as a unit due to the coordination of cellular activity. Therefore, different tissues get together to form organs and carry out major functions of multicellular organisms. Heart, lungs, stomach, kidney, skin, liver and bladder are some examples of organs that we have. The heart pumps blood throughout the body, lungs exchange oxygen and carbon dioxide while kidneys filter blood and excrete wastes.

In an organ, there can be many types of tissues. But there is usually a main tissue and sporadic tissues. The main tissue for the skin is epithelial tissue while connective tissues, nerves and blood are sporadic tissues. In addition, an organ can be described as a hollow organ when it takes the shape of a tube or has a cavity within it.

What are the Similarities Between Tissue and Organ?

• Cells are the basic structural units of tissue and organ.
• 它们在多细胞生物中发现。
• Both carry out different functions within an organism.
• Furthermore, they are specialized in their functions.

What is the Difference Between Tissue and Organ?

A tissue is a collection of cells with a similar structure that carries out a specific function. In contrast, an organ is a collection of tissues that functions as a unit. Therefore, this is the key difference between tissue and organ. Another difference between tissue and organ is that the general size of a tissue is smaller than that of an organ. A tissue always carries out a specific function. But, an organ can perform various bodily functions; for example, the heart pumps blood throughout the body, receives deoxygenated blood and sends blood for oxygenation to the lung.

Furthermore, organs can be hollow in structure, but tissues are always even in shape without gaps between cellular components. Another difference between tissue and organ is that tissues are the major structural components of an organ while organs are the major functional components of an organ system.

摘要 - 组织与器官

The levels of organization of an organism start from a cell. Cells make up tissues. Tissues make up organs. Organs make up organ systems. Finally, organ systems make up an organism. Therefore, tissue is a collection of cells that function as a unit while an organ is a collection of tissues that functions as a unit. Connective tissue, nerve tissue, epithelial tissue and muscle tissue are examples of tissues while heart, kidney, lungs, skin and stomach are organs. This is the summary of the difference between tissue and organ.

Reference:

1.“无限的解剖学和理疗logy.” Lumen,Available here.
2.“Tissues, Organs, & Organ Systems.” Khan Academy, Khan Academy,Available here.

Image Courtesy:

1. Wapcaplet的“人心的图（裁剪）” - 自己的作品(CC BY-SA 3.0)viaCommons Wikimedia
2. “Four types of tissue” ByMedlinePlus– (Public Domain) viaCommons Wikimedia