Immune System PLTW

This system is a complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.

• Endocrine system

• Lymphatic system

• Excretory system

• Immune system

The ​ (a)   system decides which things in your body are not welcome and kills them

• immune

• endocrine

• respiratory

• nervous

Which body system blocks bacteria and viruses from entering the body?

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Which type of cell is primarily responsible for producing antibodies in the immune system?

• A) Red blood cells

• B) Platelets

• C) B cells

• D) T cells

What is the main function of the lymphatic system in relation to the immune system?

• A) Transporting oxygen

• B) Producing hormones

• C) Filtering pathogens

• D) Digesting food

Which organ is considered the primary site for T cell maturation?

• A) Spleen

• B) Thymus

• C) Bone marrow

• D) Lymph nodes

What is the role of macrophages in the immune system?

• A) Producing antibodies

• B) Engulfing and digesting pathogens

• C) Transporting nutrients

• D) Regulating body temperature

Which of the following is a non-specific defense mechanism of the immune system?

• A) Antibody production

• B) Skin barrier

• C) T cell activation

• D) B cell differentiation

What is the primary function of the spleen in the immune system?

• A) Producing red blood cells

• B) Filtering blood and housing white blood cells

• C) Storing vitamins

• D) Regulating blood pressure

Which of the following is a characteristic of the adaptive immune response?

• A) Immediate response

• B) Memory formation

• C) Non-specific action

• D) Physical barrier