Answer:
hope this helps
Explanation:
The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta channels oxygen-rich blood to the body from the left ventricle.
Answer: mitochondrion
explanation: The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae.
The correct order of the steps in the scientific method would be to ask questions, make hypothesis, test the hypothesis, analyze the results, draw conclusions, and communicate the results. The correct option would be D
The scientific method refers to a rational order of steps followed by scientists in order to understand natural phenomena.
The method starts by asking questions or making observations about a phenomenon, formulating hypotheses based on the observation, testing the hypothesis using experiments, analyzing the results of the experiment, drawing conclusions based on the result, and then communicating the outcome to the public.
More on the scientific method can be found here: brainly.com/question/7508826