_have lymphocytes and macrophages that destroy bacteria and viruses.
Correct answer: B. Lymph nodes
- A. Lymphoid masses
- B. Lymph nodes
- C. Lymphatic vessels
- D. Lymphatic ducts
Explanation
The lymphatic system helps defend the body against foreign invaders. Lymph nodes have lymphocytes and macrophages that destroy bacteria and viruses. The painful swelling of lymph nodes in certain diseases (mumps is an extreme example) is largely a results of accumulation of dead lymphocytes and macrophages.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Circulation
The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
Practise Circulation
695 free Circulation MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Circulation questions
The net difference between the fluid taken back by blood capillaries from interstitial spaces and the fluid given out by blood capillaries into the interstitial spaces in an average person per day is:
Several _ are present in the walls of digestive tract in the mucosa and sub mucosa.
Lymph nodes get supply by:
The painful swelling of lymph nodes in certain diseases is largely a result of the accumulation of:
The heart is enclosed in a double membranous sac called:
_ of the heart is made up of special type of muscles, the cardiac muscles.