Unit 4 Review Cardio/Resp/Lymph/Endo

Front

What is the primary function of white blood cells in the human body?

Back

Fight infections.

Front

What is the function of the epiglottis?

Back

A flap of tissue that closes when we eat to prevent food from entering the trachea.

Front

What are Peyer's patches?

Back

Aggregated lymphatic follicles in the walls of the small intestine that destroy bacteria and prevent infection.

Front

What is the main function of lymph nodes in the lymphatic system?

Back

To filter lymph and trap pathogens.

Front

What is the ductus arteriosus?

Back

A fetal blood vessel that connects the pulmonary trunk to the aorta, diverting blood from the lungs.

Front

What role do macrophages play in the immune system?

Back

They destroy bacteria and help prevent infections.

Front

How do lymph nodes contribute to the immune response?

Back

They filter lymph and trap pathogens, facilitating an immune response.

Front

What is the significance of the lymphatic system in the body?

Back

It helps maintain fluid balance, filters pathogens, and supports immune function.

Front

What is the difference between the pulmonary and systemic circulation?

Back

Pulmonary circulation carries blood between the heart and lungs, while systemic circulation carries blood between the heart and the rest of the body.

Front

What is the function of the trachea?

Back

To provide a passage for air to enter and exit the lungs.