In the lungs, oxygen is put into the blood and carbon dioxide is taken out of the blood during the process of breathing. After the blood gets oxygen in the lungs, it is called oxygen-rich blood.
Answer:
Retrospective cohort.
Explanation:
The chemical substances can cause mutation in the organism's DNA. This mutation can cause different types of cancers like leukemia, sarcoma and carcinoma.
The retrospective cohort study is performed in the group in which the specific disease and its outcome is already known. This study mainly focuses on the facts that whether the individuals were earlier affected by the particular disease or not. The case given in the question represents retrospective cohort.
Thus, the answer is retrospective cohort.
Work with a trainer and use researched information to devise the most beneficial diet and training
Answer:
identifies three components of mental health: emotional well-being, psychological well-being, and social well-being.