Question: <em>An exercise that causes the muscle to contract against an external force is called?</em>
Answer: Resistance training. The name is pretty self-explanatory, resistance; going against an external force? This exercise mains in increasing your strength, endurance, and hypertrophy and is used by many bodybuilders who are trying to build up muscle fast.
Uplifting Note: Breakfast is the meal you share with everyone since you're all starting the day together, go and plan something tasty!
I believe you meant creatine instead of creating? The answer is that Creatine<span> is an organic acid that plays a key </span>role<span> in supplying energy for muscle cells during intense activity. </span>Creatine<span> is produced naturally by the </span>body<span> and found in small quantities in animal products. </span>Creatine<span> stored in muscle cells helps produce ATP, which is the primary energy currency in the </span>body<span>.</span>
That person would have blood type B