The iris is the colored, circular part of the eye that forms the pupil in its center.Irises range in color from blue to green to brown, depending on how much melanin (pigment) they contain. The iris itself is made of muscles and tissues that adjust the size of the pupil so that the ...
in the air在空气中,为固定短语,故填the。 105.句意:它们可能会进入你的眼睛并且引起疼痛。此处修饰后面的名词eyes,应该用形容词性物主代词,故填your。 106.句意:睫毛帮助让这些物体远离你的眼睛。根据常识可知眼睛应该用复数,故填eyes。 107.句意:……例如小昆虫。such as例如,为固定结构,故填as。 108.句...
The brain, rather than our eyes, may be more important for sight, researchers studying fruit flies(果蝇) have discovered. The discovery could change the way we think about vision. Researchers in the University of Virginia have found that the very simple eyes of fruit fly larva(幼虫), with ...
Explanations for the evolution of species differences in brain size abound, but no consensus has emerged. Whether brain-size differences result from particular neural specializations, or from biological constraints affecting the brain as a whole, is an unresolved problem: a problem now tackled now Ro...
a一个人晚上做梦与他白天想的和做的事有关 A person evening has a dream the matter which daytime thinks with him and does related[translate] aThe hand,the eyes and brain work together to make human beings different from other animals.Now other animals have all three parts to work together ....
Second, we should keep a distance of one foot when (we are)reading books. Third, don’t read under sun or in the dark light or when we are on a bus or in bed. At last, insist doing health care eyes very day. If we can do the above, we can have bright eyes....
根据文章第二段首句中的 with only 24 totalphotoreceptors( the human eye contains more than 125 million)和l该段最后一句中的and in fact it is the brain's ability to processpoints of light into complex images that is key可知是因为果蝇幼虫的感光点少,能够被用来检查大脑的作用。3D推理判断题。根据...
相关知识点: 试题来源: 解析 head 【详解】 “the part of the body on top of the neck containing the eyes, nose, mouth, and brain”意为“脖子上的身体部分,包括眼睛、鼻子、嘴巴和大脑”,根据常识可知,这是头,head“头”。故填head。反馈 收藏 ...
The optic chiasm is the place in the brain where the two optic nerves meet. The individual nerve fibers from each nerve are sorted in the chiasm. The sorting occurs in such a way that the right side of the brain controls the view of objects in left visual space and the left side of ...
1. (Anatomy) the organ of sight of animals, containing light-sensitive cells associated with nerve fibres, so that light entering the eye is converted to nervous impulses that reach the brain. In man and other vertebrates the iris controls the amount of light entering the eye and the lens ...