1.3 The Sports Drink Dilemma Flashcards
Name a sugar used in respiration
Glucose
What does sweat contain?
Water and mineral ions
What can happen to your bodies cells if you sweat a lot?
They can become dehydrated
What is a good idea after exercising for a long period of time?
Replacing the sugar and mineral ions and water which have been lost in your sweat
Name a solution of replacing sugar and mineral ions and why?
Sports drinks, the water in the drinks help to rehydrate your bodies cells and they contain lots of mineral ions and sugars too
What are sports drinks designed to do?
Help balance the concentration of body fluids and the concentrations inside the cells
What does it mean if a solution is isotonic?
If the drink concentration matches the body fluids
Why is the evidence for sports drinks varied?
Some sports scientists think it is just as good to have a drink of water, whereas others believe the sports drinks may help athletes replace mineral ions and sugars as well as water
What happens to your muscles during exercise?
They respire to release energy