Answer:
Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
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Explanation:
Answer:
ADP-ATP cycle is energy producing cycle in which energy is produced by converting Adenine tri phosphate (ATP) into Adenine di phosphate (ADP). When energy is needed to cells, the cell convert the available ATP into ADP and phosphate. The energy is released from decomposing phosphate molecule. After that, ADP is again converted into ATP by mitochondria using food molecules.
Answer: Gaining or losing a chromosome will result in major genetic changes for that horse, as either it will be missing important DNA or will have too much DNA. Either can cause mutations to occur in the animal's genome. Chromosomal changes are caused by an error during either meiotic or mitotic cell division. An error could be that a cell has too much copies of a chromosome, or not enough, which causes the mutations mentioned above. Hope this helps some, I know it's not a super meaty answer.
Explanation:
It was used till the 1960s. Hope i helped.