Health

Chemical characteristics of blood

CHARACTERISTICS OF BLOOD

CHARACTERISTICS OF BLOOD Blood has distinctive physical characteristics: Amount—a person has 4 to 6 liters of blood, depending on his or her size. Of the total blood volume in the human body, 38% to 48% is composed of various blood cells, also called formed elements. The remaining 52% to 62% …

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Endocrine system organs and functions

Endocrine system organs and functions

CHEMISTRY OF HORMONES With respect to their chemical structure, hormones may be classified into three groups: amines, proteins, and steroids. Amines—these simple hormones are structural variations of the amino acid tyrosine. This group includes thyroxin from the thyroid gland and epinephrine and norepinephrine from the adrenal medulla. Proteins—these hormones are …

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Engine Stalled? How to Get Past a Plateau

Engine Stalled? How to Get Past a Plateau

The Definition of a Plateau If a pause in weight loss is a genuine plateau, I require that it meet the following criteria: You have experienced no weight loss or loss of inches for at least four weeks. (Increased muscle mass will deceive the scale because muscle weighs more than …

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Ongoing Weight Loss: The Second Phase of Atkins

Ongoing Weight Loss: The Second Phase of Atkins

Make Your Goal Specific You’ve set a goal now, and that’s great! But make sure your goal is specific. Planning to lose 35 pounds, for example, is far better than planning to lose “some” weight. You will likely lose some weight, but you probably won’t lose the full 35 unless …

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Are You Ready for Phase Two?

Are You Ready for Phase Two?

What Is Your Goal Weight? Ask yourself when in your life did you look and feel your very best? How much did you weigh then? Can you comfortably weigh that again? What size did you wear then? Don’t skip over these questions. As I always say, you’re the greatest expert …

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How Long Does It Take to Get Blood Test Results?

How Long Does It Take to Get Blood Test Results?

You Got to Hang in There Of course, some people have difficulties at the very start. At 39, Alan McCarthy was a successful insurance executive, married and with a child on the way. Two months before his son’s birth, Alan’s father died of a heart attack. A year later, Alan’s …

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