Q: What plays a variety of important roles in biochemical systems? Choices: - mutation - reactants - bacteria - protein A:
protein

Q: What eliminates food wastes that remain after digestion takes place? Choices: - liver - gall bladder - small intestine - large intestine A:
large intestine

Q: Q: What is the sum total of all body reactions? Choices: - respiration - growth - immunity - metabolism A:
A: metabolism

Question: Q: What type of climates is malaria commonly found in? Choices: - tropic and arctic - tropical and permafrost - arid and arctic - tropical and subtropical A:
Answer: tropical and subtropical

*Question*
Q: How many different types of stresses are there? Choices: - five - seven - three - four A:
**Answer**
four

Q: Q: The parts of the ears involved in balance are called what? Choices: - lobe canal - symmetrical canals - rectangular canals - semicircular canals A:
A: semicircular canals