Q: When orders are sent from your brain to your legs, these signals pass through what type of cells? Choices: - mobility cells - molecules - skin cells - nerve cells A:
nerve cells

Q: What are the narrowest blood vessels, where oxygen is transferred into body cells? Choices: - arteries - muscles - viens - capillaries A:
capillaries

Q: Q: What type of behavior occurs naturally in all animals of a given species? Choices: - learned - observational - reflex - innate A:
A: innate

Question: Q: The number of electrons in the outer energy level determines what property of nonmetals? Choices: - density - permeability - vibration - reactivity A:
Answer: reactivity

*Question*
Q: What type of bacteria causes the disease called tuberculosis? Choices: - E. coli - staphylococcus - streptococcus - mycobacterium A:
**Answer**
mycobacterium

(Q).
Q: The cycle of copper reacting is a good example of what principle? Choices: - law of inertia - conservation of energy - conservation of momentum - conservation of mass A:
(A).
conservation of mass