Ex. 15. Read, translate and memorize the word combinations.

To perform the most important blood duty, to travel constantly through the body, to deliver oxygen and remove waste, to be an excellent vehicle for transporting oxygen and carbon dioxide, to release the oxygen to the cells, to bond with the tissue's carbon dioxide or other waste gases, to snap to attention, to race toward the scene of the crime, to be continually on the lookout for signs of disease, to overpower the germ, to surround and devour the bacteria, not to handle excessive blood loss, to kick into action, to let them form clots, to stop bleeding, to gather at the wound, to attempt to block the blood flow, to be exposed to air, to be critical to the clotting process, to plug small blood vessel leaks, to produce a strong and stable clot.

Ex. 16. Read and translate text C.

Ex. 17. Complete the table below with the working verbs. Not looking at the table list the functions of the red blood cells, the white blood cells, the blood platelets.

Erythrocytes	Leukocytes	Thrombocytes

Ex. 18. Combine the nouns under the letter A with the appropriate verbs under the letter B and translate them.

A. the heart, the blood, the artery.

B. contract, pass, dilate, bring, regulate, pump, vary, beat, compose, work, consist of, discharge out, receive, enter, act, serve, send, oxygenate, carry, deliver.

3.

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