Sophia Human Biology Milestone 4

Sophia Human Biology Milestone 4 You passed this Milestone 14 questions were answered correctly. 6 questions were answered incorrectly. 1 Which node does a pacemaker assist? CONCEPT Cardiac Cycle and Cardiac Conduction System 2 What muscular tubes, not supported by cartilage, help regulate airflow into and out of the lungs? CONCEPT Lower Respiratory Tract 3 Which antibody that inhibits pathogens from binding to the body's cells is found in endocrine gland secretions, such as tears and saliva? CONCEPT Humoral Immunity 4 What is the function of the capillaries? CONCEPT Cardiovascular System 5 Monoclonal antibodies and can be used to treat certain types of cancers in a process known as immunotherapy. CONCEPT Organ Transplant and Immunotherapy 6 What are the two types of effector T-cells? CONCEPT Cell-Mediated Response 7 Which of the following is an autoimmune disorder? CONCEPT Immune System Disorders and HIV/AIDS 8 What kind of immunity involves white blood cells that have receptors for specific pathogens that changes over time and produces memory cells? CONCEPT Pathogens 9 What is the role of the aorta in the systemic circuit?