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www.reference.com/science/difference-between-arterial-venous-blood-cc785bf661cba8f0

In the strictest sense, blood that is being carried toward the heart is venous, while blood being carried away from the heart is arterial, according to Dictionary.com. However, with the exception of the blood carried by the pulmonary arteries and veins, blood in the arteries also carries more oxygen

www.reference.com/science/difference-between-arterial-venous-bleeding-bd37e0d0cc4dea9a

The main difference between arterial and venous bleeding is the point of origin. UCSB ScienceLine explains that arterial bleeding originates from the damaged arteries while venous bleeding means losing the blood from the veins.

www.reference.com/science/carbon-dioxide-important-ba6312d89df68dae

Carbon dioxide is important because it is used in photosynthesis, a process that is necessary for the survival of life on Earth. Carbon dioxide is also a vital greenhouse gas that helps trap heat in the atmosphere, and it plays a key role in Earth's carbon cycle.

www.reference.com/article/carbon-dioxide-c7fe6a7caa0796e0

Carbon dioxide is a colorless, non-organic compound that is a gas at room temperature and comprises about 0.03 percent of Earth's atmosphere. It is produced when materials that contain carbon are combusted, and it is one of the most prevalent greenhouse gases that trap heat within the Earth's atmosp

www.reference.com/science/carbon-dioxide-come-85f591a4711a3b97

Carbon dioxide is generated through the oxidation of carbon or carbon compounds, including combustion and cellular respiration. Carbon dioxide is also released into the atmosphere when water thaws, as well as during volcanic eruptions. While many fear its theorized effects on global temperatures, ca

www.reference.com/science/test-carbon-dioxide-a60beeb66a9a6caa

Test for carbon dioxide by burning a splint, using litmus or indicator papers or running the gas through lime water. Additionally, according to the National Institutes of Health, a blood test can be performed to determine the amount of carbon dioxide in a person's blood.

www.reference.com/science/plants-use-carbon-dioxide-bc3a334fdf00b0ae

Plants use carbon dioxide to produce food. Through photosynthesis, they convert carbon dioxide and water into sugar. They derive energy from the sun to transform carbon dioxide into glucose and oxygen.

www.reference.com/article/plants-carbon-dioxide-6fc0ce4b0d97f904

Plants get carbon dioxide from the air that surrounds them. The carbon dioxide from air naturally diffuses through extremely small pores in the leaves of plants.

www.reference.com/science/properties-carbon-dioxide-e0687700e2a999a2

Carbon dioxide is a gas with a chemical formula of CO2, indicating that it is a carbon atom double-bonded to two oxygen atoms. It is made from burning wood, fuel or anything else that contains carbon.

www.reference.com/science/elements-make-up-carbon-dioxide-22a17793f65ff822

Carbon dioxide is a compound made up of the elements carbon and oxygen. Its chemical formula is CO2, which specifies that one molecule of CO2 contains one carbon atom and two oxygen atoms.