Water and the Minerals

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Water and the Minerals

• Chapter 12 13

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What is so Amazing About Water?
H
O
H
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What Role Does Water Play in Our Lives?
e.g. - Serves as a solvent for many
substances - Participate in reactions in the
body - Maintains blood volume -
Carriers nutrients and waste - Maintains
the structure of molecules (e.g. proteins)
- Aids in the regulation of temperature -
Acts as a lubricant and cushion in joints around
spinal cord, brain and fetus
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Kidney
Ureter
Pelvis
Bladder
Renal Artery
Renal Vein
A Nephron, one of the kidneys many functioning
units
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Blood Vessel
Glomerulus
Tubule
Capillaries
A Nephron
To the Body
To the Bladder
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Water dissolves salts and follows electrolytes
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How the body regulates blood volume
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Electrolytes in Acid-Base Balance
Death
8.0
Alkalosis
7.45
Normal
7.35
Acidosis
6.8
Death
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Minerals in a 60-kilogram human body
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Trabecular bone is the lacy network of
calcium-containing crystals that fills the
interior.
Cortical bone is dense, ivory-like bone that
forms the exterior shell.
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Calcium and Osteoporosis
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Calcium and Osteoporosis
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Bone losses over time compared
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Loss of height in a woman caused by Osteoporosis.
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Calcitonin
Vitamin D
Calcium balance in bone
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Bioavailability of Calcium
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A Membrane-bound transport protein Sodium -
Potassium Pump
INSIDE CELL
OUTSIDE CELL
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What processing does to the sodium and potassium
contents of food
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Fresh foods, especially fruits and vegetables,
provide potassium in abundance.
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Hemoglobin
Iron atom
Heme
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Iron routes in the body
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Heme and Non-heme Iron in Foods