why do astronauts heart rates increase at blast-off?

2 ⤊

2007-05-08 04:58:58 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space

They are excited and scared at the same time.

2007-05-08 06:15:15 · answer #1 · answered by Spilamilah 4 · 0⤊ 0⤋

Excitement!

2007-05-08 05:01:35 · answer #2 · answered by campbelp2002 7 · 0⤊ 0⤋

If you were about to go a kajillion miles an hour and go off the planet, wouldn't you be a little excited too?

2007-05-08 06:16:06 · answer #3 · answered by David 2 · 0⤊ 0⤋

1) it's scary.
2) G-Forces require the body to pump more blood around to reach every part of the body.

2007-05-08 05:02:16 · answer #4 · answered by Grant d 4 · 2⤊ 0⤋