â¢ Both fluids mainly composed of water, but there are more ions in the extracellular fluid than in intracellular fluid. â¢ Glucose is present in both fluids, but extracellular fluid does not have organelles to break those down to produce energy but intracellular fluid does.
Spirit Airlines allow all passengers to bring one personal item, like a briefcase, purse or small backpack, into the cabin with them, but youâll have to pay extra if you want to bring a larger piece of carry-on luggage or check a suitcase into the hold.
Unfortunately, not all discount airlines have magnanimous baggage policies. You could pay anywhere from $26 to $100 for a carry-on bag aboard Spirit Airlines if it doesn't fit under the seat in front of you, and the carrier's checked bag fees cover a similar range.