Human Body Systems Quiz

Integumentary System

• Protects the body from external damage and pathogens.
• Regulates body temperature through sweat and blood flow.
• Synthesizes Vitamin D, essential for calcium absorption and bone health.
• Receives sensory input, allowing detection of touch, temperature, and pain.
• Major organ is the skin, which serves as the body's first line of defense.

Cardiovascular System

• Functions as a transport system for oxygen and nutrients to cells and tissues.
• Facilitates the removal of waste products like carbon dioxide.
• Plays a critical role in regulating body temperature through blood circulation.
• The heart is the central organ, pumping blood throughout the body.

Lymphatic and Immune Systems

• Provides defense mechanisms against infections and diseases by combating invaders.
• Removes excess fluid from tissues, preventing swelling and maintaining fluid balance.
• Aids in the absorption of fats and fat-soluble vitamins from the digestive system.
• Key organs include lymphatic vessels for fluid transport, lymph nodes for filtering, and the spleen for immune responses.

Digestive System

• Responsible for ingesting, digesting, and absorbing essential nutrients from food.
• Plays a significant role in the elimination of waste products from the body.
• Contributes to homeostasis by regulating energy levels and nutrient balance.