Systems' Flashcard

Front

What is the body's first line of defense against pathogens?

Back

The body's first line of defense includes the skin, mucus, and stomach acid.

Front

What are the two main divisions of the nervous system?

Back

The two main divisions of the nervous system are the Central Nervous System (CNS) and the Peripheral Nervous System (PNS).

Front

Which part of the digestive system is responsible for absorbing most of the water from undigested food?

Back

The large intestine is responsible for absorbing most of the water from undigested food.

Front

How does inflammation assist the immune response?

Back

Inflammation increases blood flow, bringing more immune cells to the infected area.

Front

How do white blood cells and antibodies collaborate to combat infections?

Back

White blood cells digest pathogens while antibodies mark pathogens for destruction.

Front

What role does the skin play in the immune system?

Back

The skin acts as a physical barrier to prevent pathogens from entering the body.

Front

What is the function of mucus in the respiratory system?

Back

Mucus traps pathogens and particles, preventing them from reaching the lungs.

Front

What is the role of the spleen in the immune system?

Back

The spleen filters blood and helps produce immune cells.

Front

What are antibodies?

Back

Antibodies are proteins produced by B cells that specifically target and neutralize pathogens.

Front

What is the function of white blood cells?

Back

White blood cells are responsible for identifying and destroying pathogens.