Weegy: Destroying and removing old red blood cells - is the responsibility of the lymphatic system.
User: One of the main functions of T-cells is to
A. produce antibodies.
B. attack and kill atypical cells.
C. eliminate bacteria through phagocytosis.
D. initiate immune responses against invading pathogens.
Weegy: One of the main functions of T-cells is to initiate immune responses against invading pathogens.
User: The most common way in which HIV is contracted is during
A. a blood transfusion.
B. the delivery of a baby to an infected mother.
C. the sharing of needles used in drug abuse.
D. participation in unprotected sex.
Weegy: The most common way in which HIV is contracted is during participation in unprotected sex.
User: Avastin is an example of a _______ used to treat cancer.
A. Vincristine
B. Blastine
C. Vinblastine
D. monoclonal antibody
Weegy: Avastin is an example of a monoclonal antibody used to treat cancer.
User: The term apoptosis is related to
A. the production of antibodies.
B. the circulation of lymph.
C. the death of a cell.
D. identifying pathogens to be destroyed.
Weegy: The term apoptosis is related to the death of a cell.
User: Which one of the following characteristics is typical of benign tumors?
A. They often grow back after they have been surgically removed.
B. They usually cause some harm to the body.
C. They're often contained by a well-defined membrane.
D. They grow rather rapidly.
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