Answer:
Hormonal effects in newborns occur because in the womb, babies are exposed to many chemicals (hormones) that are in the mother's bloodstream. After birth, the infants are no longer exposed to these hormones
Explanation:
A DNA molecule is made up of nucleotides.Each nucleotide is made up of a nitrogen base, a sugar molecule and a phosphate group. There are 4 nitrogen bases such as adenine and guanine known as purines, thine and cytosine are known as pyramidine. These nitrogenous base are arranged in a sequence attached to each other by hydrogen bonding into anti-parallel strands. Therefore, the structure of DNA is termed as the double helical model.
You are repaying the oxygen deficit when you have elaborated breath after a long workout.
We can define oxygen deficit as the difference between the oxygen that our body needs during a workout and the one that it gets, which is not enough.
We can tell when our body is repaying the oxygen deficit when our breath is elaborated. What our body is trying to do is to expel carbon dioxide and take as much oxygen as it needs with quick and short breaths.
In conclusion, elaborated breath is a sign that we are repaying the oxygen deficit.
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Answer: arteries carry oxygenated blood away from the heart to the body. Veins carry oxygen-poor blood back from the body to the heart.