Answer:
a lack of resources and stability can be a major factor for this situation, meaning they dont have much of a choice. they become a nuisance to richer clients and are therefore removed and dumped away.
Enters the left atrium...this is the oxygenated blood from the lungs (pulmonary)
Answer:
Organ level– an organ is a structure composed of at least two different tissue types that perform a specific function within the body. Examples include the brain, stomach, and liver. Complex functions begin to emerge at this level.
Explanation: