Answer:
Guard cells
Explanation:
The guard cells are on either side of the stomata and control water loss and gas exchange by swelling to open the stomata and shrinking to close it. When open, gas exchange and water loss will occur. When closed, gas exchange and water loss does not occur.
Venous anastomosis (or some people call it circulatory anastimosis) ia a connection between two blood vessles, such as between arteries and veins.
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(Its not a big answer but i really hope this is the answer you are looking for)
Answer: The answer is number 2 and number C
Explanation: BECAUSE