? Could you provide a picture? Also is this a true or false question
B) because sitting isn't really moving
Answer:
20% of the body's oxygen supply.
Explanation:
The brain represents just 2% of a person's body weight, yet it uses about 20% of the body's oxygen supply. Without it, the brain can't perform even the most basic functions. The brain relies on glucose to power the neurons that control everything from conscious functions like planning and thought to automatic, unconscious processes like managing heart rate and digestion.
<span>B. Primitive life-forms, such as molds or yeasts, that cannot make their own food.
Please mark brainliest if you liked my answer!</span>
It is a passageway for urine and semen.
