Why does Vasodialation decrease blood pressure? |
- Why does Vasodialation decrease blood pressure?
- What impact does climate have on transmission of virus/bacteria?
- How was the picture of M87's black hole taken?
- Is it possible for a neutron star to appear as a black hole?
- What was the leading theory for what caused earthquakes before plate tectonics?
- Why does the specific gender of each parent affect the outcome of hybrid bred animals?
- What do tiny bugs do when it gets really windy?
| Why does Vasodialation decrease blood pressure? Posted: 30 May 2021 11:46 PM PDT Doctors often prescribe medication for patients with high blood pressure that works by dialating blood vessles. In Physics class however, I learned that Bernoulli's principle suggests that when a fluid is flowing through a tube, dialating the tube will INCREASE the pressure, as the flow rate will be reduced. Did I learn it wrong, or does Bernoulli's principle not apply to the circulatory system? And why? [link] [comments]  |
| What impact does climate have on transmission of virus/bacteria? Posted: 31 May 2021 12:27 AM PDT More specifically, COVID-19. Does the virus spread at a higher rate in certain climates? [link] [comments]  |
| How was the picture of M87's black hole taken? Posted: 31 May 2021 04:00 AM PDT I know that 2 telescopes at very far distances from each other were used, but how does it work? If I put 2 telescopes 20 meters apart and use them to take pictures of the same object, would the result be better if I mixed the pictures together? [link] [comments]  |
| Is it possible for a neutron star to appear as a black hole? Posted: 30 May 2021 09:44 AM PDT Hello. Similar questions might have been already asked, but I can't find the exact question I'm wondering about. So the theoretical max mass for a neutron star is around 3 suns, otherwise it "becomes a black hole". I also found that the escape velocity from a neutron star is typically 200 000 km/s. But is it possible for an object to be both a neutron star and a black hole? Let's imagine a neutron star with an escape velocity of c - 1 km/s. If slightly more matter was added, the escape velocity would be more than c, so it would appear as a black hole, right? However, would it be theoretically possible for it to still be a neutron star "inside" of that black hole, just with no way to escape? [link] [comments]  |
| What was the leading theory for what caused earthquakes before plate tectonics? Posted: 30 May 2021 07:42 PM PDT Since plate tectonics is relatively new (validated in the 1950s), what was the leading theory for what caused earthquakes before then? Since its so new I guess there must have been some wild theories, specially in the late XIX - early XX centuries period. [link] [comments]  |
| Why does the specific gender of each parent affect the outcome of hybrid bred animals? Posted: 30 May 2021 11:36 AM PDT I learned today that in addition to ligers, there are also tigons... Ligers having lion fathers, and tigons having tiger fathers. What causes these two animals to be so different? And side question - I had always assumed people were just random 50/50 mixes of their parents; does the differences in Ligers and Tigons have any implication as to the genetic role human fathers play in outcome of our babies? [link] [comments]  |
| What do tiny bugs do when it gets really windy? Posted: 29 May 2021 09:28 PM PDT Is a high wind event like a natural disaster to them? Or do they deal with it easily? [link] [comments]  |
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