Answer:
o2
Explanation:
Oxygen expelled by plants enters the air to be inhaled by animals and aerobic bacteria. Animal cells use oxygen for a process called oxidation.
hit that heart button :)
An unspecialized cell that can give rise to one or more different types of specialized cells, such as blood cells and nerve cells. Stem cells are present in embryos and in various tissues of adult organisms
<span>Pulmonary circulation is the movement of blood starting from
the heart, where deoxygenated, or carbon dioxide-filled, blood leaves from the
right ventricle and through the pulmonary valve, then into the left and right
pulmonary arteries and arrives at the lungs. During the process of respiration,
the carbon dioxide is released and oxygen is added to the blood. Then, the
pulmonary veins carry the oxygenated blood back to the heart, entering into the
left atrium, completing the circulation. The correct answer is B, pulmonary.</span>
Answer:
Tea
Explanation:
Tea is spelled in low price
Answer:
Geosphere and atmoshphere
Explanation: