Water and the Minerals Chapter 12 & 13. What is so Amazing About Water? O H H.

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Presentation transcript:

Water and the Minerals Chapter 12 & 13

What is so Amazing About Water? O H H

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

A Nephron, one of the kidney’s many functioning units Renal Artery Renal Vein Kidney Ureter Bladder Pelvis

A Nephron Tubule To the Body Capillaries Blood VesselGlomerulus To the Bladder

Water dissolves salts and follows electrolytes

How the body regulates blood volume

Electrolyte’s in Acid-Base Balance Death Acidosis Alkalosis Normal

Minerals in a 60-kilogram human body

Cortical bone is dense, ivory-like bone that forms the exterior shell. Trabecular bone is the lacy network of calcium-containing crystals that fills the interior.

Calcium and Osteoporosis

Bone losses over time compared

©2001 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learning ™ is a trademark used herein under license. Loss of height in a woman caused by Osteoporosis.

Calcium balance in bone Calcitonin Vitamin D

Bioavailability of Calcium

A Membrane-bound transport protein “Sodium - Potassium Pump” OUTSIDE CELL INSIDE CELL

What processing does to the sodium and potassium contents of food

Fresh foods, especially fruits and vegetables, provide potassium in abundance.

Hemoglobin Iron atom Heme

Iron routes in the body

Heme and Non-heme Iron in Foods