Bone |
Provides structure and basis of the movement of limbs and our entire body. Also serves as a mineral storage. Primarily composed of minerals and protein and smaller amount of cells, nerves and blood vessels |
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Skeletal Muscle |
We have three kinds of muscle (skeletal, cardiac (heart) and smooth) which is largely water and protein and to a lesser degree carbohydrate and fat. Contraction of muscle results in movement of some type. Skeletal muscle is connected to bone and provides movement of our limbs and body |
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Heart & Blood |
Our heart is mostly muscle (cardiac). Contraction of cardiac muscle establishes the blood pressure in our heart, which drives blood through our blood vessels. We have about 100,000 miles of blood vessels and our blood is, for the most part, a delivery medium! |
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Smooth Muscle |
Smooth muscle lines tubes in our body such as airways, blood vessels, digestive tract, reproductive tract, etc.) Smooth muscle is responsible for regulating the flow of content (gases, fluids, semi-solids) through those tubes |
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Lungs |
Serves as the site of oxygen and carbon dioxide exchange between our body and the air around us |
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Liver |
Perhaps the “hub” of nutrition. Our liver is involved in maintain blood glucose, regulating blood lipid levels, processing amino acids, making plasma proteins (e.g., clotting factors, transport proteins) and bile and metabolizing and storing many vitamins, minerals and other nutrients. |
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Kidneys |
Regulate the composition of our body fluid. They do this by filtering and regulating the composition of our blood, which in turn regulates the composition of the fluid in between our cells and inside of our cells. |
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Adrenal Glands |
Our adrenals are steroid hormone producing factories. They produce cortisol (stress hormone), aldosterone, a lot of DHEA and lesser amount of androstenedione, testosterone and estrogens. |
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Thyroid Gland |
Produces the hormones thyroid hormone and calcitonin. Thyroid hormone is one of the most influential hormones in regulating our energy expenditure. |
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Brain & Spinal Cord |
Our brain is an information processing center and the spinal cord is the conduit for signals to leave (or be carried to) our brain to the rest of our body. Our brain initiates and regulates muscle activity, processes sensory information and control body temperature and appetite. |
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Skin |
Site of heat removal and protective coating. Some vitamin D is produced in our skin |
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Pancreas |
Produces the hormones insulin and glucagon and digestive enzymes. |
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Pituitary Gland |
Produces several hormones including Thyroid stimulating hormone (TSH) adrencorticothrophic hormone (ACTH). |
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