The answer to your question is B, Myosin and actin do not fully detach, so the muscle cannot relax.
Hope this helps!
1. A<span>ccording to the national clearing house of alcohol and drug information (NCADI), most children under the age of 21, </span>who do not participate in drug and alcohol abuse, is virtually certain to never do so.<span>
2. T</span>he average age when youth first try alcohol is 11 years for boys and 13 <span>years for girls. The average age at which Americans begin drinking regularly in 15.9 years old.
3. Nicotine is the addictive chemical found in tobacco. </span>
<span>the ability of the heart and lungs to supply oxygen to the body</span>
Answer:
It is between A and D .But I thin it is A
Yes it alters the levels of neurotransmitters