Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?
Explanation:
True, pulmonary arteries carry the blood from the heart, while pulmonary veins return the blood to the heart.
Answer: 3 mph
Explanation: The formula for calculating speed is distance divided by time.
6 divided by 2 is equal to 3, meaning he is traveling 3 miles every hour that passes.
Feedback loops are biological mechanisms whereby homeostasis is maintained. This occurs when the product or output of an event or reaction changes the organism's response to that reaction. Positive feedback occurs to increase the change or output: the result of a reaction is amplified to make it occur more quickly.