(The Earth has lungs. Watch them breathe.) But trees also respire, just as we do, pulling in oxygen and releasing carbon dioxide. And respiration occurs in the cells of all living tree tissues ...
This article is part of a featured content programme. Sign up for Newsletters ...
A reflex response to strong feelings. This reflex allows some children to hold their breath long enough to pass out. Spells do not happen on purpose. This happens in 5% of healthy children.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results