These are the 3 different types of circulation. Not sure if it matters which box you put them in or what..? Don't quite get that chart. But luckily I had a similar question on one of my old assignments. Don't know if you needed definitions but here you go,
Pulmonary circulation: This part of the cycle carries oxygen-depleted blood away from the heart, to the lungs, and back to the heart.
Systemic circulation: This is the part that carries oxygenated blood away from the heart and to other parts of the body.
Coronary circulation: This type of circulation provides the heart with oxygenated blood so it can function properly
Answer:
To allow air to enter into the bag and provide air and breathing room for the vegetables.
On the leeward side of a mountain range. In order for most rain bearing cloude to cross a mountain range, they must first be depleted of their moisture via precipitation. Then they will be lighter and can rise up to a higher elevation to cross over the mountain range where they will no longer be able to provide much precipitation.