This is the excretory system
Answer:
B. Mitochondrion
Explanation:
The Krebs Cycle occurs in the mitochondria during the processes of cellular respiration.
Specifically, it occurs in the matrix of the mitochondria.
1. D
2. idk
3. C
4. C
5. A
6. idk
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Answer: It would be iodine because first of all, all of the elements listed are in the halogens column and iodine is too.
Secondly, halogens have one electron to fill and alkaline metals( the column that sodium is in) have one electron to give, so they work well together to have a full valence shell.
Coronary heart disease (CHD) occurs if plaque<span> builds up in the coronary (heart) </span>arteries<span>. ... </span>Smoking<span> is a major </span>risk <span>factor for heart disease. When combined with other </span>risk <span>factors—such as unhealthy blood cholesterol levels, </span>high blood pressure, and overweight or obesity—smoking<span> further raises the </span>risk<span> of heart disease.
Hope this helps you! =)</span>
