Cell-mediated immunity is provided by macrophages. Compared to arteries, veins a are more elastic. The bundle of smooth muscles associated with hair follicles is called orbicularis muscle. This can be a useful skill as you progress in your studies, so we've provided a dictionary to help you! The 10 most popular quizzes : : test your knowledge of the bones of the full skeleton : can you name the main anatomical areas of the brain? The most common form of skin cancer is basal cell carcinoma. C It is the site of production and maturation of B lymphocytes. True False The urinary system consists of a two kidneys. The outermost layer of the skin is the hypodermis.
An overall score is given at the end of each quiz. True False B lymphocytes produce antibodies which play an important role in immune response. Worn-out and damaged red blood cells are destroyed in the thymus gland. C The spleen is the major site of red and white blood cell production in the adult. C Antigens are immunoglobulins the body produces in response to exposure to foreign organisms.
The protein that helps protect the skin and underlying tissue is melanin. With our help, your homework will never be the same! Our extensive online study community is made up of college and high school students, teachers, professors, parents and subject enthusiasts who contribute to our vast collection of study resources: textbook solutions, study guides, practice tests, practice problems, lecture notes, equation sheets and more. B Tissues swell during inflammation because of the number of blood cells attacking the bacteria. The first line of defense against disease-causing organisms is cell-based immunity. A of the structure of their flaplike valves B the fluid pressure is so great it forces this material into the capillaries C lymphatic and cardiovascular capillaries are designed to receive this material D of amoeboid motion of the foreign particles 5 What is the role of the thymus in protecting the body against disease? True False Pulmonary artery carries oxygenated blood to the heart. The cells producing the pigment responsible for skin color are the keratinocytes. True False Plasma contains a proteins.
A It houses decaying lymphocytes, recycling the nutrients within them. Which of the following cells produce antibodies? If you get a question right the next one will appear automatically, but if you get it wrong we'll tell you the correct answer. T-lymphocytes B-lymphocytes monocytes phagocytes 3. A A B cell is activated when it encounters an antigen that matches its B cell receptors and receives cytokines from helper T cells. Wave of muscular contraction that help mix the contents of the digestive tract is called segmentation. D Antigens are proteins that stimulate an immune response.
A burn that involves the entire epidermis and some of the dermis is a first-degree burn. True False Monocytes are phagocytic cells present in the blood. True False Chemical digestion involves chewing and mixing of food. The protein that helps protect the skin and underlying tissue is melanin. A group of tissues that performs a specific function is a n organ system. A The spleen filters the lymph much the same way the lymph nodes filter the blood.
Active acquired immunity does not involve the host's immune response and no memory cells are produced. True False Stomach is an important site for storage of food. The outermost layer of the skin is the hypodermis. A Antigens may be proteins, polysaccharides, glycolipids, or glycoproteins that stimulate an immune response. Learn , lymphatic system quiz questions and answers.
A Tissues swell during inflammation because of the volume of bacteria present in the wound. Biology Forums - Study Force is the leading provider of online homework help for college and high school students. B It is the site of maturation of T lymphocytes and the production of thymosin. The respiratory rate can be modified by low levels of carbon dioxide in the blood. Semilunar valves are present at the base of the aorta and pulmonary artery. B B cells are activated when they encounter their twin T cell component.
All the following are important functions of the lymph nodes except A they serve as sites for production of antibodies B they remove foreign material phagocytized by macrophages C they are the sites where antigens stimulate the immune system D they function in the production of neutrophils, eosinophils, and basophils Which of the following describes the location of the spleen in the human body? Aldosterone is secreted by the adrenal cortex in response to a a decrease in blood level of sodium. True False Pulmonary ventilation refers to the movement of a air into and out of the lungs. True False Haemoglobin is found within red and white blood cells. Or if you fancy something different, try a instead! True False An increase in periphearal resistance increases blood pressure. .