Which substances are produced during respiration?

Question

a) water and oxygen

b) carbon dioxide and red blood cells

c) oxygen and red blood cells

d) carbon dioxide and water...

can anyone please help me?

Answer 1

It's definitely  D.

Just go to a window and breathe: You will exhale CO2 and water vapors (which you can wipe off the window after you exhale).

Answer 2

In people?

Oxygen + glucose -> C02 + water (+energy)

Answer 3

d) wastes from respiration.

Answer 4

The answer is D) carbon dioxide and water. When you exhale you remove carbon dioxide and water from the lungs.  Oxygen is inhaled and its everywhere not produced by respirations and red blood cells are made from bone marrow they carry the oxygen