Match a part of eye structure to its definition and its context.

Match the beginning and the ending of the sentences.

Give English equivalents to the following word combinations.

Working with word combinations and sentences

Choose the correct word to complete the sentences.

To identify pumps ink excretory three chambers feeding surrounded

 

Squid have …...... hearts. Two branchial hearts, …....... the gills, each surrounding the larger systemic heart that …....... blood around the body. The hearts have a faint greenish appearance and are …........ by the renal sacs – the main …....... system of the squid. The kidneys are faint and difficult …....... and stretch from the hearts (located at the posterior side of the…........ sac) to the liver. The systemic heart is made of three…....... , a lower ventricle and two upper auricles.

Многоклеточное животное, различные сообщества, единственная особенность, отсутствие позвоночника, вымершие формы, пресная вода, образовать тип, отличительные черты, жизненно-важные органы. Большая полость, пищеварительный тракт, внутренности, заключенный в полости, сложный мозг, обладать сильными мышцами, мышцы, предназначенные для сокращения, сильный клюв, слюнные железы, задний отдел, взвесь меланина, замечательное разнообразие, приспособление для маскировки, прямой контакт, прикрепить к телу, захватить добычу, уплощенный кончик, способность менять цвета, многочисленные хроматофоры, плотная группа, участок кожи.

 

The vampire squid can luminescence for longer than two minutes as a result a which is usually followed by an escape response.
The arm tip organs can also luminescence by glowing or flashing b by the arm tip organs or an undiscovered visceral organ and can glow for up to 9.5 minutes.  
The third and final form of luminescence are luminescent clouds which appear c of the photophores which either glow simultaneously, flash one to three times per second, or pulsate.
The particles are thought to be released d a mucous matrix with glowing particles in it.

 

part definition context
pupil The light-sensitive membrane that lines the back wall of the eyeball and is composed of several layers, including one containing the rods and cones.   The structure of .................... in the eyes of owls gives these nocturnal birds of prey excellent night vision.  
reflection   The elongated cells or elements of the sensory layer of the retina, some of which are cylindrical, others somewhat conical   Our ............ tend to contract in bright light and dilate in the dark.
retina   The circular opening in the center of the pigmented iris of the eye, through which light passes to the retina As Shakespeare wrote, "The eye sees not itself, But by ...............…."  
rods and cones   The phenomenon of light or sound waves being thrown back from a surface; the act of reflecting, or turning or sending back The ................... receives an image formed by the lens and converts it into chemical and nervous signals that reach the brain by way of the optic nerve.