Spongy tissues composed of microscopic cells in which inhaled air exchanged for carbon dioxide during one breathing cycle are lungs.
Gaseous exchange is the delivery of oxygen from the lungs to the blood stream, and the elimination of carbon dioxide from the bloodstream to the lungs. It takes place in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
The correct answer should be (d) The Krebs cycle
After Glycolysis, the Krebs cycle begins in the matrix of the mitochondrion.
Answer:
A
Explanation:
Carbon moves from fossil fuels to the atmosphere when fuels are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas. Each year, five and a half billion tons of carbon is released by burning fossil fuels.
Answer:
a action reaction occors when 2 chemicals combine to make 1
Explanation:
