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The endocrine system:

Correct answer: B. Releases hormones into the bloodstream

  • A. Affects only the reproductive system
  • B. Releases hormones into the bloodstream
  • C. Competes with the nervous system
  • D. Is made up primarily of glands with ducts

Explanation

One of the primary functions of the endocrine system is to release hormones directly into the bloodstream. These hormones are then transported throughout the body, where they interact with specific target cells or organs, regulating their function and maintaining homeostasis.

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About Reproduction

Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.

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