A remarkably capable organ, an orchestration of physiological responses often happens in the human brain without an individual’s knowledge.
A. NO CHANGE
B. the human brain often orchestrates physiological responses without any conscious effort on the part of an individual.
C. physiological responses are often orchestrated by the human brain without any conscious effort on the part of an individual.
D. individuals are often unaware of the physiological responses the human brain orchestrates.

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Simple Future - PassiveArticles with Proper NounsWish - beginnerIN, ON & ATand, so, but, becauseSimple Future TenseFirst ConditionalsCan, Could, May, MightClause Markers TOEFL GrammarSubject-Verb AgreementOther quiz:
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My father ___ in a bank, but he ___ from home today.
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