Q: What is a sheet of muscle that spreads across the bottom of the rib cage? Choices: - cartilage - thorax - diagram - diaphragm A:
diaphragm

(Question)
Q: How many main types of diabetes are there? Choices: - three - one - six - two A:
(Answer)
two

Ques: Q: Which state of matter is not common on earth? Choices: - respiration - liquid - gas - plasma A:
Ans: plasma

(Q).
Q: The anatomical arrangement of capillaries and alveoli emphasizes the structural and functional relationship of what systems? Choices: - nervous and lymphatic - digestive and respiratory - endocrine and renal - respiratory and circulatory A:
(A).
respiratory and circulatory

Ques:Q: Which direction from the source do pollutants in an aquifer spread? Choices: - southward - forward - inward - outward A:

Ans:outward

Q: How many nonpolar bonds does an oxygen molecule have? Choices: - 5 - 7 - 3 - 2 A:
2