Ques:Q: Because these components of the endocrine system are transported via blood, they get diluted and are present in low concentrations when they act on their target cells. Choices: - enzymes - antibodies - minerals - hormones A:

Ans:hormones
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Ques:Q: The amount of kinetic energy in a moving object depends directly on what two factors? Choices: - revolution and velocity - inertia and momentum - gravity and weight - mass and velocity A:

Ans:mass and velocity
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Ques:Q: Most of the pathogens that cause stis enter the body through mucous membranes of which organs? Choices: - eyes - kidneys - stomach - reproductive organs A:

Ans:reproductive organs
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Ques:Q: What kind of equal and opposite forces cancel one another out when they act on the same object? Choices: - solid - exact - combined - balanced A:

Ans:
balanced
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