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the nervous system
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What is a tissue and what is an organ?
This is how its organizedEukaryoticProkaryoticBacteriaMulticellularUnicellularTissueOrganOrgan systemDigestive systemRespiratory systemEndocrine systemImmune systemSkeletal systemNervous systemIntegumentary systemMuscular systemCirculatory systemOrganismFungusParamecium
At what level does life begin?
cellsCell is the basic unit of life.
What is the relationship between cells tissues and organs?
Cells are the basic structure of life which make up tissues in which make up organs then make up organ systems which help carry out life's basic tasks. Cells are the smallest unit of life, but they make up everything else, so they play a very big role.
The body has very efficient internal defenses which can remove any quantity of unwanted substance?
the bodys defense system is the imune system and u have white blood cells that fight viruses and remove the quanity but if you get food poisining your body will throw up until it is gone
Aquaporins are believed to be present in red blood cells and kidney tubules but very few other cells in the body?
False
What is the organization of your own cells stating with the smallest unit and going to the level of organism?
organization of human cells starts from the very small organelles and ends up at a living being! organelle<cell<tissue<organ<system<human being
How do you use organcells in a sentence?
The organ cells multiply very quickly in a cancerous organ.
Why does hepatitis A virus target liver cells?
That is a very good question. But then is difficult to answer. This fallows that why so many types of viruses have special affection to some organ system. The liver has special function, as a organ of metabolism. Every organ system has some special functions, to perform. So they must be using some special enzymes in their metabolism. The viruses have very less number of genes and may be using that particular enzyme from that particular organ cells. So the particular virus is able to divide and play its role in particular types of cells in better way. So the particular virus has affection to the particular types of cells or the organ made of such cells. So this is the probable answer for the question.
What organ that shrinks in size after puberty is?
The Thymus shrinks after puberty. It is most active in early life, developing the immune system prenatally and in early infancy. It is the location were T Cells (T lymphocytes) mature (VERY IMPORTANT). When it shrink in size it replaced by fat and connective tissue.
How are living things organized from cell to organism?
Cells communicate with each other and the outside world through a myriad of receptors located in its membrane. Particular cellular functions are determined not only by the expression of these receptors but also by the way they organize on the biological membrane both in space and time. Very little is known so far about how cells organize themselves, because this process occurs at a scale too small to be observed by conventional microscopes. The contribution made by the research group in this area has been to develop a simple and versatile platform that is used to create the so-called ligand patterns. The cells are then seeded over these patterns and, using a highly sensitive optical technique developed in the same group, researchers observe how natural receptors on the cell react to their counter-receptors placed in the pattern.
What the organs of respiratory system?
in the respiratory system there is lungs, mouth, nose, throat. it is a very small organ system, yet very important
What is a tissue and what is an organ?
This is how its organizedEukaryoticProkaryoticBacteriaMulticellularUnicellularTissueOrganOrgan systemDigestive systemRespiratory systemEndocrine systemImmune systemSkeletal systemNervous systemIntegumentary systemMuscular systemCirculatory systemOrganismFungusParamecium
Function of the spleen in the digestive system?
No, the spleen is important to the immune system and red blood cells in most vertebrates. It can also be described as a very large lymph node as it's absence can lead to susceptibility to certain infections.
What is the Difference between organelle and organ system?
An organ is a collection of cells that perform a function (liver, skin, muscles) whereas an organelle is something INSIDE a cell which performs a function for the cell (ribosome, mitochondria)
Is the heart a major organ in the cardiovascular system?
The heart is a four chambered pump that forces blood around the circulatory system, also known as the cardiovascular system. Which rather makes the heart a major (and very important) organ.
Why do cells divide for replacement?
This is genetically determined. Genes act in very complex manner to keep the number of cells and size of the organ. How this happen is largely beyond the comprehension.
At what level does life begin?
cellsCell is the basic unit of life.
