Do barrel cactus plants need carbon dioxide or oxygen?

Answer A barrel cactus [Echinocactus and Ferocactus spp] needs both carbon dioxide and oxygen. It needs to take in carbon dioxide, for its photosynthetic interaction with sunlight. It needs oxygen, which ... Read More »

Top Q&A For: Do barrel cactus plants need carbon dioxide or ...

Do plants use carbon dioxide to produce oxygen?

How a tree changes carbon dioxide into oxygen?

Oxygen is the waste product of the process photosynthesis. The tree uses carbon dioxide, water and sunlight (this is trapped by the green pigment in leaves called chlorophyll), to create glucose. O... Read More »

Is there more carbon dioxide or oxygen in human blood?

There are several ways to measure the oxygen and carbon dioxide levels, but if measured by the oxygen gas or carbon dioxide dissolved in the blood, the normal adult arterial value is for oxygen is ... Read More »

Where does blood exchange carbon dioxide for oxygen?

Blood exchanges oxygen for carbon dioxide at the blood-gas barrier between the alveoli of the lungs and tiny capillaries in the alveoli walls. This barrier is extremely thin, only 200 to 300 nanome... Read More »