Will mark brainliest-breathing is required for cellular respiration. use the reactants, products and stages of cellular respiration to explain why breathing is required

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Which description provides the best objective summary of the article in the passage?

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?