Ah,the famous electrolyte.
Sports drink commercials love talking about them, but what are theywhy do we need them？
and what happens if we don’t have enough?
Electrolytes are salts.
Actually, they’re salts that we take into our body, usually by way of food.
Electrolytes dissolve into positive and negative charges and conduct electricity in water.
The most common one is sodium chloride, orplain old table salt,
these are the common electrolytes in your body.
Also known as ions, their charges are crucial because they control the flow of water in
our cells and nerve impulses in our bodies.
Ion channels in cell membranes regulate the flow of the positive and negative charges through cells
Water follows these charges, and always goes to the side that has a greater number of electrolytes.
Without the balancing act between electrolytes and water, our cells could shrivel up and
die, or burst from being too full.
In nerve cells, a positive ion moving through an ion channel sparks off an electrical impulse,
signaling our bodies to function properly.
Electrolytes control the constant impulses in our bodies to keep our hearts beating,
our lungs breathing, and our brains learning.
所以 是的 电解质相当的重要
So yeah — electrolytes are pretty important.
They also make your sweat salty.
当我们锻炼的时候 体温上升 细胞中的离子
When we’re working out and our bodies start to heat up, ion channels in our cells dump
通道会把电解质 即盐 通过汗腺排出
electrolytes, aka salt, into the sweat gland.
Thanks to osmosis, water follows closely behind.
This increases the pressure in the gland, so that salty mix gets pushed out onto the
When that water evaporates, it pulls heat off your body and cools you down, leaving
a salty residue behind.
但是 如果失去太多的电解质 神经细胞将工作紊乱
But if you lose too many electrolytes, your nerves won’t work properly, which can lead
to problems with your heart, blood pressure, breathing and you’ll definitely not be performing
So you’d better reach for the bright orange sports drink and get those electrolytes back
Well, maybe not.
There’s been controversy recently on whether sports drinks are even necessary.
People generally get enough electrolytes to replenish the ones lost in a workout from
Also, some sports drinks have sugar in them.
So if you’re doing a half an hour of cardio, a single bottle of the stuff will give you
back all the calories you just worked off.
COULD BE 100% OF THE CALORIES YOU‘RE BURNING
if you working out for an hour or so,water will keep it higest
and you probably don’t need those extra electrolytes or sugars.
but maybe running a marathon, feel free to
reach for that sports drink now and again, Your body will thank you.
Thirsty for more?
Let us know your burning chemistry questions and we might tackle them in a future video.
Thumbs up on the way out and thanks for watching!