B. Mouthguards are needed to play hockey
Answer:
1. True
2. True
3. True
4. True
5. True
Explanation:
All of the above is true!
Answer:
Cadmium can be highly toxic and exposure to this can cause cancer, this targets the body's gastrointestinal, cardiovascular, neurological, and respiratory systems. This is also known to pile up in the kidneys and can even lead to kidney disease.
Explanation:
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Answer:
Three layers of tissue form the heart wall. The outer layer of the heart wall is the epicardium, the middle layer is the myocardium, and the inner layer is the endocardium.
