To explain the human body at a microscopic level, including the structure and . Smooth or involuntary muscle tissue works automatically and cannot be Cells are enclosed by a special tissue or skin called a semi-permeable membrane.
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- Cells, Tissues, and Skin
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- The Skin (Human Anatomy): Picture, Definition, Function, and Skin Conditions
Cells, Tissues, and Skin
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- What is Human Body Tissue;
- Picture of the Skin.
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View or edit your browsing history. Get to Know Us. English Choose a language for shopping. Amazon Music Stream millions of songs. We would certainly not be in good shape if all of our internal body parts were free-floating. Connective tissue fills in the spaces inside our body with a matrix made of fibers within a liquid, solid, or jelly-like substance. Think of a gelatin salad with fruit suspended inside, and you will have an idea of how certain types of connective tissue function. Nervous tissue is found within the nervous system and is made up of unique specialized cells.
Like electrical circuits, the nervous system transmits signals from nerves to the spinal cord and brain. Cells known as neurons conduct these impulses, making it possible for us to use our senses. Get FREE access for 5 days, just create an account. You already know many examples of tissue found in the body. Muscle tissue is found in all of the obvious places, as in our biceps, triceps, quadriceps and so on. But muscle is also located in many of our internal organs, such as the walls of our arteries and digestive tract. And don't forget about the most important muscle of all: Cardiac tissue is also muscle tissue, as this powerful organ is constantly contracting to pump blood throughout our body.
Epithelial tissue, as previously mentioned, is found both covering our body and lining some organs.
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For example, our outer layer of skin is made of epithelial tissue. This sheet of epithelial tissue is like a permanent waterproof coat for our body. It protects us from potential invaders like viruses and keeps our body from losing moisture. The lining of the mouth and esophagus are also examples of epithelial tissue.
Connective tissue comes in several different forms. The most abundant in the body is loose connective tissue, and it is found filling the spaces in our body. For example, if you pull on your skin it will stretch, but only so far. The connective tissue underneath it keeps it attached so that our skin isn't flopping around. Fat tissue is another example of connective tissue, as it provides cushioning and support.
Finally, nervous tissue is clearly found within the nervous system. Neurons extend throughout the body, making it possible for us to use our five senses. The brain and spinal cord make up the rest of this type of tissue. Human body tissue makes up organs and other body parts. There are four main types of tissue: Each is made of specialized cells that are grouped together according to structure and function. Muscle is found throughout the body and even includes organs such as the heart. Our outer layer of skin is epithelial tissue.
Examples of connective tissue include fat and loose connective tissue. Nervous tissue includes neurons, the spinal cord and brain. To unlock this lesson you must be a Study. Did you know… We have over college courses that prepare you to earn credit by exam that is accepted by over 1, colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.
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What is Human Body Tissue? There are four main types of tissue in a body. Learn more about them and take a short quiz at the end of this lesson. Start Your Free Trial Today. An error occurred trying to load this video. Try refreshing the page, or contact customer support. You must create an account to continue watching. Register for a free trial Are you a student or a teacher? I am a student I am a teacher.
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Are you still watching? Your next lesson will play in 10 seconds. Add to Add to Add to. Want to watch this again later? What is the Function of the Integumentary System? Devices Used in Nursing to Promote Safety. Medical Terms for Epithelial Tissues. Skin has three layers: The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone.
The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue hypodermis is made of fat and connective tissue.
The Skin (Human Anatomy): Picture, Definition, Function, and Skin Conditions
Most rashes are from simple skin irritation; others result from medical conditions. A general term for inflammation of the skin. Atopic dermatitis a type of eczema is the most common form. Skin inflammation dermatitis causing an itchy rash. An autoimmune condition that can cause a variety of skin rashes. Silver, scaly plaques on the skin are the most common form.
A scaly condition of the scalp may be caused by seborrheic dermatitis, psoriasis, or eczema. Inflammation of the dermis and subcutaneous tissues, usually due to an infection. A red, warm, often painful skin rash generally results. Skin abscess boil or furuncle: A localized skin infection creates a collection of pus under the skin. Some abscesses must be opened and drained by a doctor in order to be cured. A chronic skin condition causing a red rash on the face. Rosacea may look like acne, and is poorly understood. A virus infects the skin and causes the skin to grow excessively, creating a wart.
Warts may be treated at home with chemicals, duct tape, or freezing, or removed by a physician.