Main Organs and Systems in the Human Body

Key systems and their primary components include:

1. Nervous System – Includes the brain, spinal cord, and peripheral nerves.

2. Cardiovascular System – Comprises the heart and blood vessels.

3. Respiratory System – Involves the lungs and airways.

4. Digestive System – Consists of the mouth, esophagus, stomach, intestines, liver, and related organs.

5. Musculoskeletal System – Encompasses bones, muscles, and connective tissues.

6. Endocrine System – Made up of glands (like the thyroid and adrenal glands) that produce hormones.

7. Urinary System – Includes the kidneys, bladder, and related structures.

8. Reproductive System – Comprises the organs involved in sexual reproduction.

Each of these systems works in unison to maintain the body’s overall function and health.

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