Answer:
The pulmonary artery carries oxygenated blood from the right ventricle to the lungs. The blood here passes through capillaries adjacent to alveolar and becomes oxygenated as part of the process of respiration. In contrast to the pulmonary arteries, the bronchial arteries supply nutrition to the lungs themselves.
Explanation:
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation:
Answer: It's showing the change of the average temperature.
Explanation:
