Question detail
What is the primary function of the endocrine system?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hormonal coordination in humans
Question
- A. To secrete hormones directly into the bloodstream
- B. To transmit electrical signals
- C. To digest food
- D. To filter blood
Answer
The correct option is To secrete hormones directly into the bloodstream. This answer is correct because it matches the approved learning objective to describe the endocrine system as a system of glands that secrete hormones directly into the bloodstream in the subtopic Human endocrine system.
Explanation
The correct option is To secrete hormones directly into the bloodstream. To secrete hormones directly into the bloodstream is correct because it directly supports the approved learning objective to describe the endocrine system as a system of glands that secrete hormones directly into the bloodstream. This belongs to the subtopic Human endocrine system within Hormonal coordination in humans, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Human endocrine system.
Common mistake
Misunderstanding the Endocrine System
Students often describe the endocrine system as a single gland rather than a system of multiple glands.
Emphasize that the endocrine system consists of various glands, such as the pituitary gland, thyroid, and adrenal glands, that work together to secrete hormones into the bloodstream.
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