all animals and plants(though only at night) use a process called respiration to produce energy. Animals breath in air(which is, approxamentaly, 78% nitrogen, 21.5% oxygen, 0.3% Argon and less than .04% carbon DiOxcide. This air is taken in, and animals extract about 5% of that oxygen for giving life to all the cells in our bodies. When we exhale, the air hasn't changed alot. Its, approxamentaly, 78% nitrogen, 16.5% oxygen, .3% Argon, and roughly 5% carbon DiOxcide AND OTHER GASSES. So the short answer to the question is that we breath out what we breath in.
because plants need carbon dioxide to make new oxygen for the animals.
Carbon dioxide
Carbon dioxide, CO2.
It is the product of respiration. Animals including Humans breath in oxygen and exhale Carbon Dioxide
Carbon Dioxide
The source of carbon in glucose resulting from photosynthesis is carbon dioxide (CO2) taken in from the atmosphere. During the process of photosynthesis, plants use sunlight to convert water and carbon dioxide into glucose and oxygen. The carbon atoms in glucose come from the carbon dioxide molecules that plants absorb.
Carbon and oxygen cycles interact to keep animals alive because animals use the oxygen cycle to realease the energy they make and animals use carbon cycles to produce sugars, animals and organisms break down these sugars to obtain energy, they produce water and carbon dioxide hope this helped!!!!
plants give off the oxygen in exchange for carbon dioxide given off by the animals. so, any land animal does that,. in the ocean, the oxygen makers are phytoplankton.
Carbon dioxide
Animals give off a number of gasses during Day and night, most notably Carbon dioxide and methane gas. Oxygen is needed by man and animal.
glycolysis
Plants give off oxygen, which animals need to breathe.