Answer: When the plant has enough water in its cells the guard cells swell up and open the stomata. When the plant isn't getting enough water the guard cells can't swell and the stomata stay closed, so the plant doen's lose water. But if the stomata are closed photosynthesis can't happen and eventually the plant might starve.
Explanation:
The answer would be a panic attack.
The panic attack causes the person activates the sympathetic system that them sweating and breathing fast.
Rapid breathing will cause many CO2 removed than normal, lead to lower level of CO2 in the blood. Carbon dioxide makes the blood more acid, so lower level of CO2 will make the blood become basic, cause respiratory alkalosis which causes the numbness in feet and hands.
Basically they just take it into the cell by engulfing it. Once it is inside the cell it is broken down!