The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!
<span>B. more energy than radio waves and microwaves.</span><span>
Hope this helps!
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Lipids are used for long term energy storage as fats in humans and oils in plants. Carbohydrates are used for short term energy storage because they can be transported easily. Hope this helps xx
Answer:
haploid diploid half sex reduction
Explanation:
