I think it’s a developmental psychologist.
Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
Answer:
Science plays a rather large role in the modern world. Without it, devices such as phones, computers, and even TV wouldn't exist. With advances in science, humans have been able to cure many ailments and diseases that were previously incurable.
Decomposition is the suffix
