Скачать или смотреть EP-3 | Vestigial organs | Sanjay Kumar and Vigyan Darshan EXPOSED || Ancient dharma

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The heart has a reserve capacity: The heart, like many organs, has a reserve capacity. This means it has the potential to increase its blood flow significantly when needed, such as during exercise or stress.
Exercise and adaptation: Regular physical activity, like wrestling or running, can lead to adaptations in the cardiovascular system. These adaptations may include increased blood vessel density (more blood vessels) in the heart muscle, improved blood flow efficiency, and a stronger heart muscle.
What is incorrect:
"Not active" blood vessels: Blood vessels are always present and have some level of blood flow. They don't become "active" or "inactive."
Limited to athletes: While athletes may have more pronounced adaptations due to the demands of their training, everyone's cardiovascular system can adapt to increased physical activity.
Refutation:
The statement oversimplifies a complex biological process. Blood vessels are always present, and their function is to transport blood. Exercise leads to adaptations in the cardiovascular system, such as increased blood vessel density and improved blood flow, which benefit everyone, not just athletes.

Exactly, ostriches use their wings for balance while running and for displays in mating rituals, not for flying.During mating season, ostriches use their wings in elaborate displays to attract mates. They spread their wings, shake them, and perform a kind of dance to show off their size and strength. It’s all about impressing the ladies! Yeah, that's right! Ostrich wings are considered vestigial because they don't use them for flying, but they help with balance and courtship displays.
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