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The main component of the tunica media of muscular arteries is?
Tunica Media or just Media is the central layer of arteries or veins. In the artery, it is composed of elastic tissue and smooth cell muscles.
Why does an artery have such a thick layer?
Arteries are not one cell thick. They are multicelluar in their formation. They contain three distinct layers; tunica interna (or intima made of endothelial tissue), tunica media (muscular tissue), and tunica externa (serous membrane).
What is cardiac tissue made up of?
Cardiac tissue is made of cardiac muscle cells and a small amount of connective tissue. The cells that make this tissue are called cardiocytes. They have the special ability to "beat" on their own with no nerve stimulation. If one touches another beating cell, they will begin to beat together. In the heart some group will form a pacemaker to provide a rhythm for the organ.
What is the structure of an artery?
The walls of arteries are really thick; they consist of three cell layers. The inner layer is smooth, made of epithelial cells. Because of this smooth texture, it allows the blood that comes through it to flow more freely. The next layer is mostly composed of muscle tissue, and the outermost wall consists of flexible connective tissue. This structure of the artery makes it strong and flexible, and easy for it to pump the blood throughout your body.More Information:Similarly to the wider lumened vein, the artery has numerous structural features.Firstly the artery lumen is small. This is so a high pressure is maintained, and so the blood can flow quickly and efficiently to body tissues.Secondly the arteries wall is very thick. This is so the artery can withstand such high pressure from the narrow lumen. The wall is strengthened thanks to collagenfibres.Thirdly the lumen of the artery is surrounded by a layer of cells known as the endothelium. The endothelium is a thin layer and it simply reduces the friction of blood flow. The endothelium can also unfold.In addition the artery contains elastic tissue. The advantage of elastic tissue is that it can stretch and recoil. Recoil means that it can return the width of the lumen to it's original narrow size. The elastic tissue recoils when the heartbeat rests so high pressure is maintained. This can sometimes be observed on the skin when a vessel 'beats'.Furthermore the artery contains smooth muscle that constricts (narrows) as it contracts. This can be useful to improve gas exchange at the alveoli.
How does a stem cell become a heart organ?
what is the prosess of a stem cell becoming aheart
Select the list that goes from simplest to most complex?
Cell, tissue, organ, organ system Atom, molecule, cell, tissue Organ system, tissue, cell, organ Molecule, tissue, organ, organ system The correct order is 2. Atom, molecule, cell, tissue.
What structures is the most complex is it the cell or organ system or organ or tissue?
organ system
Does a plant cell have a cell an organ a tissue an organ system or an organism?
plant cell has an cell
What order do tissue organism cell system organ of a body go into?
I think it goes Cell,Tissue , Organ, and then Organ System
Arrange the following from smallest to largest organ system tissue cell Organ and atom?
Universe, galaxy, solar system, earth, biome, ecosystem, habitat, community, population, organism, organ system, organ, tissue, cell, macromolecule, molecule, atom, quark, electron
What is the four levels of organization in multicellular organism?
Falaunt, Lafanda, Shaniqua, and Marcishqua
What are the 4 levels of organization?
cell, tissue, organ, organ system
What represents a correct sequence of levels within the hierarchy of life?
These are the choices, it wouldn't let me put it in the main question. a. brain, spinal cord, organ system, nerve cell nervous tissue b. organ system, population of cells, nervous tissue, brain c. organism, organ system, tissue cell, organ d. nervous system, brain, nervous tissue, nerve cell e. organ system, tissue, molecule, cell
What are the levels of organization within a human begnining with the cell and ending with an organism?
Cell ---> Tissue ---> Organs ---> Organ Systems ---> Organism.
What organ system is the endocrine system?
organelle --> cell --> tissue --> organ --> organ system the endocrine system is an organ system made of various organs
List the organisms from smallest to largest?
cell,tissue,organ,organ system
What are 4 levels of organization of organism?
cell, tissue, organ, organ system
