Tissues Definition: Tissues Definition: Collections of cells.
From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells...
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Transcript of From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells...
![Page 1: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/1.jpg)
![Page 2: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/2.jpg)
![Page 3: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/3.jpg)
From Cells to Organ Systems
• Cells combine to form tissues, and tissues combine to form organs
• Cells combine to form four primary tissues– Epithelial tissue– Connective tissue– Muscle tissue – Nervous tissue
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• Two types: – membranous epithelia
• form the coverings or linings of organs
– glandular epithelia• form exocrine and endocrine glands
Epithelium
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Epithelial Tissue
![Page 6: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/6.jpg)
Epithelial Tissue
![Page 7: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/7.jpg)
Epithelium-Human Stomach
![Page 8: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/8.jpg)
![Page 9: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/9.jpg)
Glandular Epithelia
• Epithelial tissues illustrate a basic biological principle: that structure closely correlates with function
![Page 10: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/10.jpg)
• Figure 4.4
![Page 11: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/11.jpg)
• Binds the cells and organs of the body together – All connective tissues
consist of two basic components: cells and extracellular fibers
• Two types of connective tissue are: – Connective tissue
proper – Specialized connective
tissue
Section 4-1Connective Tissue
![Page 12: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/12.jpg)
Connective Tissue
![Page 13: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/13.jpg)
Connective
Tissue
![Page 14: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/14.jpg)
• An important structural component of organs – Consists of two types:
• Dense connective tissue • Loose connective tissue
Connective Tissue
![Page 15: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/15.jpg)
Connective Tissue
![Page 16: From Cells to Organ Systems Cells combine to form tissues, and tissues combine to form organs Cells combine to form four primary tissues –Epithelial.](https://reader030.fdocuments.us/reader030/viewer/2022032806/56649efb5503460f94c0eb36/html5/thumbnails/16.jpg)
• Perform specific functions essential to homeostasis
• The body contains three types of specialized connective tissue:
• Cartilage• Bone• Blood
Specialized Connective Tissues
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•Cartilage –Consists of specialized cells embedded in a matrix of extracellular fibers and other extracellular material
•Blood –Contains blood cells, platelets, plasma
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Osseous Tissue• Bone
– Consists of bone cells (osteocytes) and a calcified cartilage matrix• Two types of
bone tissue exist: spongy and compact
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Osseous Tissue
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• Consists of specialized cells that contract when stimulated
• The body has three types of muscle tissue:•Skeletal (voluntary)•Cardiac (involuntary)•Smooth muscle (involuntary)
Muscle Tissue
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Muscle Tissue
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Muscle
Tissue
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Nervous Tissue
• Contains specialized cells that conduct impulses
• Conducting cells, called neurons, transmit impulses from one region of the body to another.
• Nonconducting cells, neuroglia, are a type of nervous system connective tissue.
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Nerve Tissue
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Nerve Tissue
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Organ Systems
• Tissues combine to form organs.– Organs are discrete structures that have
evolved to perform specific functions – Most organs do not function alone, they are
part of a group of cooperative organs, called an organ system.
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