Срочно очень нужна ваша помощь.match the idioms in column a with the definitions in column b:
1. heart 2. Apex 3. pericardium 4. septum 5. atrium 6.ventricle 7. artery

a. the upper chamber of the heart
b. a partition between the right and left sides of the heart
c. the lowest tip of the heart
d. the largest tupe of blood vessel that carries blood away from the heart to all parts of the bode
e. an inner hollow muscular organ that pumps blood to our body
f. the lower chamber of the heart that receives blood from the upper chamber (atrium)
g. a double-walled sac that encloses the heart/