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Reading and developing speaking skills

Ex. 6. Read VOCABULARY and memorize new words.

Ex. 7. Insert the missing letters:

Mainten_nce; leu_ocyte; er_throcyte; enz_me; s_rum; plasm_; _lot; ma_or; fibr_nogen; mi_roorganism; infec_ion.

Ex. 8. Translate the following words and word-combinations into Ukrainian:

Connective tissue; corpuscle; pale yellow fluid; clot-producing; platelet; fluid matrix; remaining fluid; average adult; however; waste products; maintenance; suspended molecules; to protect against; remove; site of infection; slightly; more than half; body’s total weight.

Ex. 9. Read the following words enunciating them clearly:

Total blood volume; approximately; to be classified; corpuscles; platelet; hormone; enzyme; leukocyte; thrombocyte; erythrocyte; plasma; dissolved component; nutrient; maintenance; formed elements; major category.

Ex. 10. Read the following text:

BLOOD

Blood is classified as a connective tissue, consisting of cells and cell fragments surrounded by a liquid matrix. The total blood volume in the average adult is approximately 4 to 5 L in females and 5 to 6 L in males. Blood makes up approximately 8% of the body's total weight.

The cells and cell fragments are the formed elements, and the fluid matrix is the plasma. The formed elements of the blood include several types of highly specialized cells and cell fragments. They are grouped into three major categories. Approximately 95% of the volume of the formed elements consists of erythrocytes (red blood cells or corpuscles). The remaining 5% consists of leukocytes (white blood cells or corpuscles) and platelets (cell fragments), which are also called thrombocytes.

Plasma is a pale yellow fluid accounting for slightly more than half the total blood volume and consisting of approximately 92% water and 8% dissolved or suspended molecules. Plasma contains proteins such as albumin, globulin, and fibrinogen. When the proteins that produce clots are removed from the plasma, the remaining fluid is called serum. In addition to the suspended molecules, plasma also contains a number of dissolved components such as salts, nutrients, gases, waste products, hormones, and enzymes. Water enters the plasma from the digestive tract, from interstitial fluids, and as a by-product of metabolism. Excess water is remived from the plasma through the kidneys, lungs, intestinal tract, and skin. Solutes in the plasma come from several sources such as the liver, kidneys, intestines, endocrine glands, and immune tissues such as the spleen.

The functions of the blood can be placed into the categories of transportation, maintenance, and protection. Blood transports gases, nutrients, waste products, and hormones. It is involved in the regulation of homeostasis and the maintenance of pH, body temperature, fluid balance, and electrolyte level. Blood protects against diseases and blood loss.

Ex. 11. Translate the following words and word-combinations into English:

Розчинені компоненти; вага тіла людини; загальнй об’єм крові; утворювати згустки; міжклітинний матеріал; ферменти; сироватка; складатися з; включати кілька типів; поділятися на; червоні кров’яні тільця; кров’яні пластинки; білі кров’яні тільця; поживні речовини; транспортувальна функція; захисна функція; білки; видаляти.

Ex. 12. Translate the text “Blood” into Ukrainian.

Ex. 13. Complete the following sentences:

1. Blood is a type of _ tissue whose cells are suspended in a liquid intracellular material. 2. Blood consists of a liquid portion called _ and a solid portion. 3. This portion also named as the cellular fraction includes _, _, _. 4. _ are essential for the clotting of blood. 5. _ are the most numerous blood cells. 6. The blood plays an important role in _ homeostasis.

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