Task 1: Insert the missing words: 1. The human body consists of over 50, 600, and 206 V. 2. The average heart beats around 70

Task 1: Insert the missing words:
1. The human body consists of over 50, 600, and 206 V.
2. The average heart beats around 70 times per minute.
3. They are part of a family of carnivorous animals.
4. Dogs have 310 and 42 .
5. The jaws provide support for the skull.
6. The skull is the bony enclosure that surrounds the brain.
7. The skin acts as a protective barrier against microorganisms.
8. These are active structures responsible for producing blood cells.
9. The circulatory system connects the brain to the rest of the body.
10. The epidermis is continually renewed.
11. During early childhood, both the arms and legs grow, as well as the head.
12. Aristotle’s system of categorizing plants and animals dates back more than 2000 years.
13. Invertebrates are animals without a backbone, and they outnumber those with one.
14. The skin is composed of two primary layers.
15. An adult’s skin weighs approximately 6.6 pounds.
16. The sweat glands are located deep within the skin.
17. The skin of individuals from the white race tends to have less melanin pigment.
18. In lower organisms, there is no differentiation between blood and the intercellular fluid.
19. The major components of the human circulatory system include the heart, blood vessels, and blood.
20. The heart is a muscular organ situated in the chest between the lungs and beneath the sternum.
21. There are three types of blood vessels: arteries, veins, and capillaries.
22. Every cell in the body requires oxygen.
23. The primary function of red blood cells is to transport oxygen.
24. The body loses approximately 1.5–2.4 liters of blood daily.
25. The blood in the capillaries must be constantly replenished with fresh oxygen.
26. The body’s temperature is maintained at 40 °C.
27. There is no direct connection between the two sides of the heart.
28. Each side of the heart must pump within the range of 35-75 times per minute.
29. Animals have existed for 600 million years.
30. Every living organism begins life as a single cell with its own specific functions.

Task 2: Put the words in parentheses into the correct form:
1. Blood transports oxygen from the lungs to the body cells.
2. Bones are active structures that produce blood cells.
3. The nervous system connects the brain to the rest of the body through nerves.
4. Inside every living organism, chemical reactions go on all the time.
5. Aristotle made thorough studies of animal anatomy.
6. A man’s heart beats more slowly than a woman’s heart.
7. The left side of the heart is stronger than the right.
8. The skin is the largest organ of the body. It is composed of two main layers of cells.
9. There are seven classes of invertebrate animals.
10. The function of the kidneys is to filter blood.
11. To live, we need oxygen, food, and water.
12. The blood in the capillaries must be replaced with fresh blood.
13. The body needs vitamins and minerals to function normally.
14. Not many people have seen icebergs.
15. Over millions of years, different species of life have evolved.

Task 3: Find and list 12 terms related to sensory organs and sensations from the «snake.»
1. sense
2. taste
3. smell
4. hearing
5. vision
6. touch
7. balance
8. temperature
9. pain
10. pressure
11. proprioception
12. vibration

Task 4: Read two lists of keywords and determine the topic of the texts they are taken from:
Keywords (1): hard tissue, bone cells, outer covering, cartilage
Keywords (2): muscular, diaphragm, a series of tubes, absorb oxygen, gas exchange

Topic (1): The topic of text (1) appears to be related to the structure and composition of the skeletal system, including bones, cartilage, and tissues.

Topic (2): The topic of text (2) appears to be related to the respiratory system, focusing on muscles, the diaphragm, the exchange of gases, and the structure of the respiratory tubes.