1. Straining involves using the valsalva manouvre, which affects blood pressure and flow, leading to inc chance of heart attack in people who are at risk. 2. Yes. 3. The high dose of hormones either stops ovulation, or if ovulation has already occurred, makes implantation unlikely. 4. Please see your doctor. 5. Yes, in theory the objects are also expanding, but they are so small compared to the space that it is imperceptible. 6. When I was their age, Britney was in kinder. 7. Yes. But once they fade they are less obvious. 8.a) To stop sweat running into our eyes, catch dirt and dust, make facial expressions more obvious. b) What kind of weird question is that? Student R, go study the nervous system, you have a test on Monday.
8.a) I was told it was to protect the delicate ridge of bone underneath the eyebrow, but looking back (and with the later experience of not being able to see properly because of sweat running into my eyes during long distance bike rides in extreme heat) I suspect some of my teachers were prone to just making stuff up. b) I reckon that's a good question. Imagine the fabulous facial expressions we could do with an extra pair.
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2. Yes.
3. The high dose of hormones either stops ovulation, or if ovulation has already occurred, makes implantation unlikely.
4. Please see your doctor.
5. Yes, in theory the objects are also expanding, but they are so small compared to the space that it is imperceptible.
6. When I was their age, Britney was in kinder.
7. Yes. But once they fade they are less obvious.
8.a) To stop sweat running into our eyes, catch dirt and dust, make facial expressions more obvious.
b) What kind of weird question is that? Student R, go study the nervous system, you have a test on Monday.
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b) I reckon that's a good question. Imagine the fabulous facial expressions we could do with an extra pair.
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