A.) juice is the correct answer to your question
Strech until it starts burning then ease up
Alveoli small balloon-like structures which are responsible for the oxygen exchange in the lungs across the membranes. These are attached to the branches of the bronchial passages. These alveoli inflate and deflate with inhalation and exhalation. Answer is C.
<span>A: 5 minutes is the minimum time that a warm up should last.</span>