Well during a bicep curl the triceps relax enough for the biceps to be able to curl to tense and contract in a curl. This is called antagonist which means “a muscle whose action counteracts that of specified muscle.”
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Pedometers monitor the number of steps taken in a day (1,2). The use of a pedometer has been shown to increase physical activity among sedentary populations (3-7). Walking is an excellent way for most inactive people to begin regular exercise (8). ... Regular exercise can prevent type 2 diabetes
Answer:
Oxygen
Explanation:
Your cells use oxygen for energy, as a result makes carbon dioxide
