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A joint capsule consists of two layers made up of ligaments and cells that produce ___________ . a. synovial fluid c. spongy bone b. Haversian canals d. new bone cells
A joint capsule consists of two layers made up of ligaments and cells that produce synovial fluid. [ ]
Expert answered|jeifunk|Points 9273|
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Asked 3/28/2013 12:49:58 PM
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Name six of the body’s systems and describe their functions
Weegy: Respiratory System The respiratory system's main task is providing oxygen to the entire body. The Franklin Institute explains that once the air enters the body, it passes through the larynx and the trachea, the tube that enters the chest area. [ The trachea is divided into two smaller tubes, called bronchi. 2.Skeletal System The skeletal system is integral in maintaining the shape of the body. Much of the functions the body carries out would be impossible without the skeletal system. Components of this system include bones, ligaments, tendons and joints. 3.Muscular System Muscles are activated with every body movement, including pumping the heart, smiling and moving bones. The heart is made up of several muscles called cardiac muscles. 4.Nervous System The nervous system is basically the wiring of the human body. It is responsible for transmitting all kinds of messages from one part of the body to another, especially to and from the brain. 5.Digestive System Organs that make up the digestive system include the mouth, esophagus, stomach, small intestine, large intestine (colon), rectum and anus, explains the National Institute of Diabetes and Digestive and Kidney Diseases. These organs are hollow to allow food to pass through and be broken down or absorbed. The liver and pancreas, which are not hollow, are important for producing chemicals that help with the breakdown of foods. Once the foods are digested they are excreted through bowel movements or urination. 6.Circulatory System Consisting of the heart, lungs and blood vessels, the circulatory system is responsible for circulating blood and oxygen throughout the body. This system picks up where the respiratory system leaves off. These two systems work closely and are useless without one another. The heart pumps blood through the blood vessels, which allows the rest of the body to receive oxygen. During the process of breathing, the lungs absorb oxygen and emit it to the blood. Read more: ] (More)
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Updated 6/3/2014 8:11:31 AM
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Body system and functions: Respiratory, intake of oxygen and removal of carbon dioxide from body; Nervous, control of body activities and the reaction to stimuli; Digestive, break down of food and absorption for use as energy; Excretory, controls water and salt balance; Endocrine, production of hormones and body regulation; Skeletal and muscular, protection and movement.
Added 6/3/2014 8:11:31 AM
Rated good by niKlaus
How are actin and myosin involved in muscle contraction?
Weegy: In addition to providing structural support, actin filaments are involved in movement when they interact with the specialized protein myosin. Myosin is a motor protein that converts the chemical energy in ATP into the mechanical work of movement. [ The interaction between actin and myosin that produces movement: When ATP binds to themyosin and is then hydrolyzed to ADP, the "head" region of the myosin molecule binds to the actin filament on the slide. The movement of this protein causes the ctin filament to slide. This type of movement is analogous to a line of people who are passing along a long log or pole, the people are myosin molecules; the log is the is the actin. ] (More)
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Asked 3/26/2013 12:58:12 PM
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Each muscle fiber has an all-or-none response. How, then, can the strength of the muscle contraction vary?
Weegy: A muscle is made up of many muscle fibers. The strength of a muscle contraction varies depending upon the total number of individual muscle fibers that contract. (More)
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Asked 3/26/2013 1:12:40 PM
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Name six of the body’s systems and describe their functions.
Weegy: - Circulatory system: to get blood flowing through the body, [ to transport oxygen and nutrients to all cells - Respiratory system: to extract oxygen from the air and remove carbon dioxide from blood - Digestive system: to break down food into nutrients that the body can use, to absorb those nutrients and water - Nervous system: to control functions in parts of the body, to think - Muscle-skeletal system: to support the body's weight, to enable it to move around - Lymphatic system: to recuperate fluids lost through blood vessels ] (More)
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Updated 6/3/2014 8:17:50 AM
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Body system and functions: Respiratory, intake of oxygen and removal of carbon dioxide from body; Nervous, control of body activities and the reaction to stimuli; Digestive, break down of food and absorption for use as energy; Excretory, controls water and salt balance; Endocrine, production of hormones and body regulation; Skeletal and muscular, protection and movement.
Added 6/3/2014 8:17:50 AM
Which type of tissue provides support for the body? a. epithelial c. nerve b. connective d. muscle
Weegy: B) Connective tissue provides support for the body. (More)
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Asked 3/28/2013 12:30:37 PM
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