Zygote is the answer to the question I think I am not sure
The respiratory system is the set of organs, which allows breathing, that is to say, the gaseous exchanges between the body and the environment.
The respiratory system can be easily assimilated to a bunch of grapesThe main stem of this branch of grapes is the trachea. then divides into smaller ducts called bronchi. Next, it branches into even smaller branches called bronchioles.
The grapes themselves are the alveolar sacs that are branched with the bronchioles. (each grape is an alveolar sac, the functional unit of the respiratory system).
Answer:
B.
Explanation:
An unsaturated fatty acid has one or more C=C double bond in the fatty acid chain. Only one answer choice has a C=C double bond.
So, the answer is B.
Hope that helps.
