The brain has many parts. The cerebrum consists of two hemispheres which are responsible for movement, sensation, thought, judgment, problem-solving, and emotion. The brain stem sits beneath the cerebrum and connects it to the spinal cord. The brain stem houses the structures that are responsible...
James. D. Watson, a scientist from the US, called the brain“ the last and greatest biological frontier(前沿), the most complex(复杂的) thing we have yet dis-covered in our universe".The brain has two connected parts called hemi-spheres(半球). Each one controls the opposite side of the...
You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below. Question 1-8 Reading Passage 1 has eight paragraphs, A-H. Choose the correct heading for each paragraph from the list of headings below. Write the correct number, i-xi, in boxes 1-8 on ...
It may seem that these are very important mental functions, but there is no evidence that REM sleep or dreaming is critical to daily life or even saneness. An older class of antidepressants called monoamine oxidase inhibitors (MAOIs) could greatly obstruct REM sleep without any detectable side ...
And we also know that intense emotions are associated with stronger memories and preferences. 我们也知道强烈的情绪与更强烈的记忆和偏好有关。 Both of these might explain why the songs we listen to during this period become so memorable and beloved. 这两个原因或许可以解释为什么我们在这段时间里所...
An eye is a complex organ that contains photoreceptors cells in their specialized region called the retina. Various structures of the eye are involved in sight reception. These structures include the pupil, choroid, optic nerve, and visual axis. However, the eye outstands to be an important ...
Did you know that the brain of an adult human weighs only about 3 pounds? It is amazing that such a small piece of your body has such an important role. In this one organ, there are about 100 billion nerve cells. These nerve cells control all your bodily functions....
A stroke caused by a burst or torn blood vessel is called a hemorrhagic stroke. Signs and symptoms of a stroke will depend on where in the brain it occurred. Signs and symptoms usually appear suddenly. A stroke is a medical emergency that needs immediate treatment.What are the warning signs...
(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. ...
If you are experiencing serious medical symptoms, seek emergency treatment immediately. Cerebrum The cerebrum is the wrinkled upper half of the brain, what is normally thought of when people think "brain." The deep wrinkles, called sulci, increase the surface area so more information can be proce...