What do lymph nodes do?
Filter lymph and trap pathogens.
Main function of lymphatic system
To return leaky fluid to the blood and support immune defense.
What type of physical activity helps move lymph?
Exercise or muscle movement.
What type of immune cell matures in the thymus?
T cells (T lymphocytes)
What is lymphedema?
The swelling from lymph fluid buildup due to blocked lymph vessels.
What organ destroys worn-out red blood cells and stores blood?
The spleen
How does lymph move through the body without a pump?
Through body movement and muscle contractions.
What vitamin is helpful for immune health?
Vitamin C
Which immune cells are responsible for producing antibodies?
B cells (B lymphocytes).
Name one common symptom of lymphedema.
Swelling, heaviness, or discomfort in limbs.
Which organ is where T cells mature?
The thymus.
What are the two major body systems that the lymphatic system supports?
Cardiovascular and immune systems.
Name one food that supports lymphatic health.
Garlic, leafy greens, citrus fruits, etc.
What is the role of macrophages in the lymphatic system?
They engulf and digest pathogens and dead cells.
How is lymphedema diagnosed?
Physical exams and medical history
What are the small masses of lymphatic tissue in the throat?
Tonsils
What’s the difference between blood plasma and lymph?
The plasma that has leaked into tissues and lacks red blood cells.
Why is hydration important for the lymphatic system?
It keeps lymph flowing smoothly.
Which immune cells act as “first responders” to infection?
Neutrophils
What are some treatments for lymphedema?
Some pression therapy, exercise, massage, and if really bad, surgery will be needed.
What’s the difference between blood plasma and lymph?
Lymph is plasma that has leaked into tissues and lacks red blood cells.
What is immune defense?
The coordinated interplay of cellular mechanisms and antibodies that fight disease-causing agents like viruses and bacteria.
How does the lymphatic system help with homeostasis?
It regulates fluid balance and defends against infections.
What immune cells help remember past infections for faster response?
Memory B and T cells.
How can people prevent lymphedema?
Avoid injury, maintain healthy weight, and follow doctor’s advice.