The ________________________ system shelters humans from threats such as diseases and toxins.
A) lymphatic
B) immune
C) cardiovascular
D) endocrine
Correct Answer:
Verified
Q5: What structure prevents food from entering the
Q21: What sphincter separates the small intestine from
Q22: Most digestion takes place in the
A) stomach.
B)
Q24: After digestion and absption, which circulaty system
Q25: The stomach empties into the small intestine
Q27: All of the following are features of
Q28: Which large blood vessel is the first
Q29: Bone, cartilage, muscle, and nerves are considered
A)
Q30: Which of the following is not a
Q31: Which of the following is a feature
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