I believe lactic acid fermentation is used for all three!
Answer:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
hope it will help you
Sickle Cell is a disease but also a gene thing, about 25% possible but other then not, it would not be possible.
The answer is A hypothesis is tentative statement and A theory has a strong predictive power.
( I hope this is right :) )
