Fluid, fat and defense
Before you read
Test yourself first: 5 questions
Question 1 of 5
Which is a function of the lymphatic system?
Answer: A. The lymphatic system drains fluid, absorbs dietary fat, and houses immune cells in its nodes. Blocked drainage produces lymphoedema.
Question 2 of 5
Which organ system is directly responsible for producing antibodies to fight infection?
Answer: B. The immune/lymphatic system produces antibodies via lymphocytes (B cells) to target specific pathogens.
Question 3 of 5
Which best describes an organ system?
Answer: B. An organ system (e.g., the digestive system) is a group of organs cooperating on a shared function.
Question 4 of 5
Which organ system carries oxygen to cells and removes carbon dioxide?
Answer: B. The respiratory system exchanges gases and the circulatory system transports them.
Question 5 of 5
Which pair of systems works together to produce a quick response, like pulling away from heat?
Answer: B. The nervous system signals the muscular system to react quickly (a reflex).
Keep the streak going with more questions like these, each with a full rationale.
