Hydration Needs
Name all three factors that affects hydration needs.
Activity level, environment, & body size.
This condition occurs when the body loses more water than it takes in.
Dehydration
Name any source of hydration besides pure H2O
Fruits/Vegetables/Sports Drinks
What is responsible for transporting water to cells in plants?
Xylem
Out of the three factors, which increases water needs the most during exercise?
Activity level
This condition occurs when too much water is consumed at once?
Water toxicity.
What types of foods contribute most to hydration?
Fruits and vegetables.
Where is water stored in plants that supply hydration when consumed?
Vacuoles
Why does hot weather or climates increase hydration needs:
Increased sweating leads to more fluid loss.
Why can not sweating during exercise be dangerous?
The body cannot regulate temperature which can cause heat exhaustion.
What do fruits and vegetables provide other than hydration?
Nutrients
They are different weights/sizes.
During water toxicity, what levels are diluted?
Sodium levels in cells.
What are added to sports drinks that make them aid in hydration?
Electrolytes
A student is exercising in hot weather and is larger in body size. Name ALL factors increasing their water needs.
All of the above.
What can happen to the brain during water toxicity that makes it dangerous?
Cells in the brain can swell causing loss of brain function.