Complete the sentences with the or — (no article).
1) ___Highlands in northern ___Scotland is a region of mountain ranges, deep valleys and beautiful lakes.
2) ___Ben Nevis — ___highest peak in Great Britain — rises in Highlands.
3) When we were in ___London, we stayed in ___ Plaza Hotel.
4) Americans call __ Mississippi river «the Father of Waters».
5) There are many cinemas, theatres and shops in Piccadilly Circus.
6) The waters of __ North Sea and ___English Channel separate __ Great Britain from ___ Europe.
7) Yonge Street in Canada is the longest street in the world.
2. The four chambers of the heart are: the right atrium, the right ventricle, the left atrium, and the left ventricle.
3.There are four valves in the heart: the atrioventricular valves (lie between the atria and the ventricles); the bicuspid or mitral valve (located on the left side of the heart); the tricuspid valve (located on the right side of the heart); the pulmonic semilunar valve (lies between the right ventricle and the pulmonary artery) and the aortic semilunar valve (lies between the left ventricle and the aorta).
4.Pulmonic circulation deals with deoxygenatrd blood, but the systemic with oxygenates blood.
5.It consists of sympathetic and parasympathetic nervous system.
6.The normal heart rate is 60 to 80 beats per minute.
7.The normal blood pressure is 120mm Hg for the systolic blood pressure and 80mm Hg for the diastolic blood pressure.
8. These are the types types of vessels: arteries, arterioles, capillaries, venules, veins.
1.True.
2.False, it receives oxygenated blood.
3.True
4.True
5.True