By breathing in and out through the nose you absorb Oxygen around 15% better when compared to mouth breathing, meaning you provide more
"food" for the brain, which leads to better grades in school*
True
False

The contribution of bronchial blood flow to lung gas exchange can be assumed to be negligible.

Conclusions:

The lung consumes about 5% of whole-body oxygen uptake.

I need this answer too and the one that put it there wasnt very clear can you help me is it true or false

Explanation:

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health