Water in the body
True or False
Water makes up over 50% of who we are.
True
We are around 55-60% water.
Babies are around 75%.
True or False
Water is a solute.
False
Water is a solvent.
True or False
Two people of the same weight and height should have the same fluid intake regardless of their other health aspects.
False
True or False
Drinking to match thirst is always enough to match fluid losses.
False
True or False
People who regularly drink coffee can include coffee as water intake because the body adapts so that the water is not lost.
True
What contains more water, fat or muscle?
Muscle
How does water regulate our temperature?
Through sweat
What is fluid balance?
The relationship between fluid coming in and fluid coming out.
True or False
We lose more water than salts when sweating.
True
What was the example habit that we talked about to help with drinking more water?
Carry around a 1 liter bottle of water and keep it near you during the day.
Water on the outside of our cells is called _____.
Extracellular fluid
Water is an excellent source of ____ for the body.
minerals
Name 3 ways that we excrete fluids.
Sweating, breathing, urine, feces, vomiting
Bonus: We use it to create tears and saliva
Name 3 reasons we may be thirstier than normal.
it is warmer, the air is drier, we've eaten something salty, we've drunk alcohol, we've been sweating
How can you measure body fat with water?
The BIA method, which sends an imperceptible electrical current through the body.
Which cells in the body carry the most water?
Eyes with 95%
What was the example used in the presentation for water being a lubricant?
On average, we get around ______ of water from our food each day.
1 Liter or 4 cups
Most adults need to drink how much water a day.
8 cups or 2 L
1 L comes from food.
Aldosterone levels go up and lead to fluid retention by decreasing urinary output.
For every kg of body weight, you should drink how much water?
30-40 mL
Water is able to act as a ____, which allows it to speed up enzymatic interactions with other chemicals.
Catalyst
What foods did we talk about having very little water?
High-fat foods like nuts, seeds, oils, butter, and lard
Both water and electrolyte levels are regulated by the balance between water intake and water excretion through the _____.
Kidneys
Why do you not have to pee as often in the middle of the night?
Our blood pressure naturally goes down at night. Aldosterone pulses are released during deep sleep cycle.