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5. Рассмотрите рис. 4 и заполните пропуски:
In its structure the ……. has the following parts:
the largest artery called …….;
the ……. artery which braches (разветвляется) into
1. …….,
2. …….;
two vanae cavae:
1. …….,
2. …….;
two atria:
1. …….,
2. …….;
four valves:
1. …….,
2. …….,
3. …….,
4. …….;
and two ventricles:
1. …….,
2. ……..
The ventricles are divided by the interventricular ……. .
4. Составьте предложения, подбирая их части в левой и правой колонках.
1 The heart is an inner hollow
muscular organ
a the atria from the ventricles.
2 The heart consists of two separate
chambers
b at the entrance and exit of each
ventricle.
3 Each of the chambers has two
connected parts:
c arteries, veins and capillaries.
4 The atrioventricular valves separate d placed within the chest and included
in the pericardium.
5 The valves are located i simultaneously with the action of
the heart.
6 The vascular system consists of
three groups of vessels:
f the atrium and the ventricle.
7 The arteries dilate and contract g divided by the septum.