РефератыИностранный языкOrOrgans And Organ Systems To Organelles Essay

Organs And Organ Systems To Organelles Essay

, Research Paper


The human body consists of many different organs and organ systems, which


are made up of billions of cells. Inside these cells there are ?€œtiny


organs?€?,or organelles. These organelles act in many ways like the organs and


systems of the body. To better understand the relationship between them, I


am going to compare and contrast their differences and their similarities.


The brain is the control center of the human body. It sends and receives


messages to the rest of the body. The brain is made up of many different


parts, and each part has its own job. The nucleus of a cell is very similar


to the brain because it is the control center of the cell. It too sends and


receives messages, only throughout the cell. The nucleus is made up of many


other parts, which have


all have special jobs also. The brain and nucleus are alike in several ways,


but contrast in one primary area. The brain sends messages by neurons and


electric impulses, while the nucleus does it by means of messenger RNA.


The body has a shape that is contributed to by the muscular and skeletal


systems. Bones provide the body with framework, and the muscles allow


movement. The cell has similar organelles, the cytoplasm and the


microtubules, which provide the cell with form. The microtubules are


tube-like structures that act like bones do in humans, they give shape and


support to the cell. The cytoplasm is a jelly-like substance that keeps


things in place, and restricts the


movement of organelles in the cell. The main difference between them is the


fact that microtubules aren?€™t joined by anything like a ligament or a tendon


and cytoplasm doesn?€™t contract like muscles do.


The digestive system of the human body is made up o

f several organs that


work together to break down food so it can be used in the body. Similar


organelles in the cell are endoplasmic reticulum, ribosomes, and the golgi


body. Endoplasmic reticulum is used in the synthesis of molecules entering


the cell. The ribosomes produce protein and send them to the places in the


cell that needs it.


The golgi body is the ?€œpackaging site?€?. All three of thes organelles play


an important role in processing molecules in the cell. However, they are


different from the digestive system in their anatomy and the way they are


arranged.


In the human body, the largest organ, the skin, is responsible for


protecting the body. It is the outer covering and it allows things in and


out of the body through pores. In the cell, the largest organelle is the


cell membrane and it too is responsible for protecting the cell. Both the


skin and the cell membrane


have more than one layer. The primary difference in the two is the cell


membrane is selectively permeable.


In order for human life to continue itself, it must reproduce. The same


applies to cells. The reproduction system in the human body is responsible


for this. The organelle in the cell which is compared to reproduction are the


centrioles. They aid in the distribution of parts in the nucleus to newly


formed cells. Although the two share the job of reproduction, they are


different in many ways. The uniting of sperm and egg is the main difference.


This doesn?€™t occur in cell reproduction.


In cells, organs, and organ systems the anatomy may be very different in


some ways, but the physiology in some cases is very similar. When you think


of an organelle now, you?€™ll know why they call them ?€œtiny organs?€?.

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Название реферата: Organs And Organ Systems To Organelles Essay

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