To the heart: pulmonary vein
Away from heart: pulmonary artery
Answer:
It will increase the rate of photosynthesis as there will be more carbon dioxide ... however there may be a limiting factor which will limit the rate to keep it constant... Such as the opening if the stomata to receive more CO2 which in turn causes loss of water by transpiration.
The vacuole i believe is the answer
Enters the left atrium...this is the oxygenated blood from the lungs (pulmonary)
Hope this helps good luck. Mark brainest
