Subatomic particles located around the nucleus of an atom are ________.
A. neutrons
B. electrons
C. photons
D. protons
E. neutrinos
Answer: B
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What is the last branch off the aortic arch?
A. The brachiocephalic artery B. The coronary artery C. The left common carotid artery D. The left subclavian artery E. The right common carotid artery
Using the figure above, identify the labeled part.
1. Label A: ______________________________
2. Label B: ______________________________
3. Label C: ______________________________
4. Label D: ______________________________
5. Label E: ______________________________
6. Label F: ______________________________
7. Label G: ______________________________
8. Label H: ______________________________
9. Label I: ______________________________
10. Label J: ______________________________
11. Label K: ______________________________
12. Label L: ______________________________
13. Label M: ______________________________
14. Label N: ______________________________
15. Label O: ______________________________
16. Label P: ______________________________
17. Label Q: ______________________________
The third through eighth weeks of development are known as the ________ period.
A. pre-embryonic B. fetal C. embryonic D. cleavage
What do thyroid follicular calls secrete?
a) calcitonin b) parathyroid hormone c) thymosin d) thyroxine