Answer:
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
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''An insufficient intake of folic acid—a common B vitamin—in the mother's diet is a key factor in causing spina bifida<span> and other neural tube defects.'' the answer is c
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Answer:
The first thing you need to do is draft a comfortable timetable for yourself and follow it according. Ensure that you study hard but also give yourself time to relax and do the things you love. When you do these you are more likely to be more confident about yourself, and also in a good mind state for your exam.
Explanation:
1. The negative effect of using human growth hormone as a performance-enhancing drug is that it leads to an enlarged heart. Thus, option "C" is correct.
2. The best example that describes the term sedentary is working out at the gym once a year. Thus, option "A" is correct.
<h3>What are Performance-enhancing drugs?</h3>
Performance-enhancing drugs are drugs that enhance the performance of a person. They are usually abused by people.
Examples of performance-enhancing drugs are anabolic steroids, diuretics, etc. A negative effect of using human growth hormone as a performance-enhancing drug is that it leads to an enlarged heart.
In such a case, there's an unfavourable enlargement and the left ventricle is thickened.
Thus, this could be the answer.
To learn more about performance-enhancing drug click here:
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