Yes proteins are made of amino acids
Answer:
Less air sacs or surface area = less gas exchage = less oxygen makes it to the blood
Explanation:
Well, smoking is very bad cuz it basically breaks down your alveoli (air sacs) and causes their wall to be so thin that they start to merge with each other. Merging lowers the available surface area in lung for gas exchange, thus you cannot exchage the oxygen from your lung into the blood. Even though when you breathe in you take in all the oxygen you possibly can, it does not matter cuz it won't be making it to your blood as efficiently.
Answer:
You did not give any choices, so maybe this explanation would help you out.
Endocrine glands are glands that specifically secretes HORMONES and they secrete these hormones internally. Endocrine glands include:
These endocrine glands secrete specific hormones that trigger specific reactions as well. They are integral to the proper functioning of life processes such as growth, reproduction, metabolism, homeostasis, and controls the internal and external reactions to the environment (including situations that occur).
It breaks away the lung causing them to fail or even get cancer
