Wate an Minerals

Wate an Minerals - FDNS 2100 Human Nutrition and Food Lee...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
FDNS 2100 Lee Human Nutrition and Food Water and Minerals 1. Water (1) The most _____________ nutrient 1) Makes up about 60% of an adult’s body weight 2) Found in: Blood vessels, Cells, Chemical structure of cells, tissues, organs (2) Why is Water the Most Indispensable Nutrient? 1) Carries nutrients throughout the body 2) Serves as the __________ 3) Cleanses the tissues and blood of wastes 4) Actively participates in many chemical reactions 5) Acts as a ___________ around joints 6) Serves as a __________________ 7) Aids in maintaining the __________________ (3) Water Balance (Figure 8.2, p280) 1) _________ Water loss Progression of symptoms: thirst weakness exhaustion and delirium death Sign of Dehydration (Table 8.1, p281) 2) ________________ Dangerous dilution of body fluids resulting from excessive water ingestion 3) Regulation of Water Balance Blood too concentrated water drawn out of salivary glands mouth becomes dry Blood too concentrated, or blood volume too low or blood pressure too low ________________ sends signal to the brain to register thirst and signals to the pituitary to release a hormone that causes the kidneys to conserve water ________ respond to blood sodium concentration by increasing or decreasing water excretion, as appropriate (4) Water Recommendation: DRI : ≈80% of day’s need for water 1) From beverages and drinking water Men: 13 cups of fluid Women: 9 cups of fluid 2) Remaining water need is met from consumed foods (5) What kinds of water are better? 2. Minerals (1) Naturally occurring, Inorganic, Homogenous, Chemical elements 1) Major minerals Found in the body in amounts exceeding 5 grams 2) Trace minerals Found in the body in amounts less than 5 grams Updated on 080810 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
FDNS 2100 Lee Human Nutrition and Food (2) Body Fluids and Minerals 1) Water content of cells is regulated by major minerals that form salts salts which are dissolved in body fluids (electrolytes ex. Na+, Cl-, K+ ) 2) Electrolytes attract water - Some reside inside the cell = _____ - While others outside of the cell = ___________
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

Wate an Minerals - FDNS 2100 Human Nutrition and Food Lee...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online