2nd. The placenta doesnt begin forming till the end of the first trimester.
Because it is flexible. Think about it; the ribs protect both the lungs and the heart. If the ribs were solid bone all the way around then unless you constantly break your ribs you wouldn't be able to expand the cheat to breath. Additionally your lungs would constrict the heart to a degree that it would function properly.
Answer:
1. A
2. B
3. A or D
4. C
5. B
6. B
7.A
8. D
9. B
10. C
11. B
12. B
Explanation:
I answered these to what MY teacher taught me. Curriculums are different in each state.
Answer:
Unfortunately, sandwiches are much riskier than we think they are. There is a microbiological risk in sandwich making that affects sandwich food safety. In reality, it is the ... Meaning more opportunity for cross-contamination.
Explanation:
sorry wish i could but lilke is this a test?
