Subtitle preview:
1
00:02:04,021 --> 00:02:05,739
Miss Mason.
2
00:02:05,900 --> 00:02:07,419
Since your listening skills
are so adept,
3
00:02:07,581 --> 00:02:09,500
perhaps you could tell me how many
molecules of oxygen
4
00:02:09,661 --> 00:02:11,660
a molecule of haemoglobin can hold
in the blood for transport.
5
00:02:11,821 --> 00:02:13,740
- Four.
- And haemoglobin is what?