True/False: The immune system is the only system that protects the body from diseases

What are other defenses the body has, in addition to its immune system, that help prevent infection and illness?A.Nerve signals and hormones, which regulate body functionsB.White blood cells and antibodies, which destroy pathogensC.The stomach, intestines, and liver, which digest bacteria and virusesD.Skin, tears, mucus, and saliva, which act as barriers to pathogens

Which of the following statements about the immune system is/are true?Question 2Select one or more:a.Phagocytosis is the process by which certain cells, such as macrophages and neutrophils, engulf and digest foreign particles, bacteria, and dead or dying cells.b.Adaptive immunity is faster-acting than innate immunity.c.The immune system uses chemokines to attract cells such as neutrophils.d.Immune cells can communicate with each other by binding to receptors on each other’s surfaces.e.The immune system uses cytokines for communication over short distances.

Which of the following statements about the immune system is/are true?Question 15Select one or more:a.Moderate exercise decreases numbers of circulating neutrophils, monocytes and natural killer cells.b.The immune system uses chemokines to attract cells such as neutrophils.c.Immune cells can communicate with each other by binding to receptors on each other’s surfaces.d.The immune system uses cytokines for communication over short distances.e.Adaptive immunity is slower-acting than innate immunity.

Which organ system protects our body from toxins and infections? Cardiovascular system Endocrine system Respiratory system Lymphatic System

Which of the following statements is FALSE regarding the Behavioural Immune System?Group of answer choicesIt involves cognitive hyper-vigilance for disease cuesIt involves individual and collective behaviourIt is related to similar adaptations in nonhuman animalsIt puts people at risk of missing signs of contamination when attending to infection risks