Chapter 9: Lesson 5 Flashcards
Metabolism
All of the chemical reactions that occur in the body to maintain itself.
Major minerals
Minerals present in the body in larger amounts.
Trace minerals
Minerals present in small amounts in the body. They include iron, zinc, copper, selenium, iodine, manganese, chromium, fluoride, and molybdenum.
Heat exhaustion
A condition that occurs when the body becomes overheated. It can occur from dehydration in a hot climate, and symptoms include heavy sweating, rapid pulse, low blood pressure, nausea, dizziness, and muscle cramps.
Heatstroke
A condition that can develop if heat exhaustion is not treated quickly. Heatstroke symptoms include headache, fever, confusion and disorientation, and flushed skin. Heatstroke is a medical emergency and can be fatal if not quickly treated.
Sports drink
Drink with a combination of carbohydrate and/or electrolytes used for rehydration and carbohydrate replenishment during physical activity; may be isotonic, hypotonic, or hypertonic.
Electrolytes
Minerals that have an electrical charge to help transmit nerve impulses throughout the body, such as sodium, potassium, and chloride.
Hypotonic
A solution with a lower solute load/concentration than body fluids.
Isotonic
A solution with a similar solute load/concentration as body fluids.
Hypertonic
A solution with a higher solute load/concentration than body fluids.