Question

which of the following answer choices shows example organs in the cardiovascular system?
○ kidneys, bladder, urethra
○ lungs, throat, mouth
○ skin, hair, and nails
○ heart, arteries, veins
question 8
which of the following answer choices is not an organ system?
○ psychology
○ endocrine
○ integumentary
○ lymphatic / immune

Explanation:

For the first question: The cardiovascular system consists of organs that circulate blood. Kidneys, bladder, urethra belong to the urinary system; lungs, throat, mouth belong to the respiratory system; skin, hair, nails belong to the integumentary system; the heart, arteries, veins are core components of the cardiovascular system.
For the second question: Endocrine, Integumentary, and Lymphatic/Immune are all recognized organ systems in the human body. Psychology is a social science field focused on behavior and mental processes, not an organ system.

Answer:

1. D. Heart, arteries, veins
2. A. Psychology