Immune:Theimmune systemis the body's defense againstbacteria,virusesand other pathogens that may be harmful. Components of the system include thelymph nodes, which contain infection-fighting cells called lymphocytes. These lymphocytes are one of many types ofleukocyte, or white blood cell. The immun...
What are the types of tissues that make the skin a protective barrier? Explain simply how the skin helps with the homeostasis in the body? What are the main functions of the skin? What organ systems are primarily involved in thermoregulation, and what are the role of each system in this ...
Body Systems:Body systems are collections of organs that work together to help the body maintain homeostasis. Body systems include systems like the digestive system, the muscular system or the nervous system.Answer and Explanation: The human body system that can be fossilized is the skeletal system...
Professor: Yes. They are very well insulated, and the thickness of their fur varies depending on the season. Good. Yes? 教授:是的,它们的绝缘性很好,毛皮的厚度随季节而变化。好的,还有谁? Female student: Um... newborn reindeer are very adult-like, like they can stand as soon as they're...
(2016) Sophia, a humanoid robot dubbed the first robot citizen, is created by Hanson Robotics. The robot is capable of facial recognition, verbal communication and facial expression. 2020s (2020) Robots are used to distribute Covid-19 tests and vaccinations. ...
In my view, we should hold a cautious attitude toward some of the violent video games. On the one hand, there is no denying the fact that playing video games during the leisure time can make people relaxed. But on the oth...
6.What is the main idea of the news item? [A] Alitalia's attempt to help Wind Jet out. [B] Cancellation of flights at Rome Airport [C] Problems caused by Wind Jet's cash shortage. [D] Expected changes of Wind Jet’s flight destinations. Question 7 and 8 are based on the foll...
1. What is the news report mainly about? 2. When did the incident occur? Questions 3 and 4 will be based on the following news item. 参考答案: 1. B 2. C Questions 5 to 7 are based on the news report you have just heard. ...
Join us for an artist talk with Sedrick Huckaby, whose life-size paintings and sculptures refer to universal human connections and memorialize figures central to his life—his family members and those close to him. The ar...
31.The author decided to study amphipods because A.they show the health condition of an ecosystem B.they are a main source of seafood for humans C.its valuable to compare them with other species D.it's interesting to learn about their living habits 32.Why are large food falla important ...