A scab will form on the skin surface.
Platelets stick to the edges of the cut and to one another, forming a plug.
49What happens to blood when it is pumped into the thin-walled blood vessels of the lungs?
Platelets are exchanged for plasma.
Carbon dioxide is replaced with oxygen.
Blood fills the lungs and causes coughing.
Nothing -- the lungs are just a place blood goes through on its way back to the heart.
50What is the function of the blood vessels and capillaries?
They pump blood to the heart.
They filter impurities from the blood.
They carry messages from the brain to the muscles.
They carry blood to all parts of the body
51Past Simple or Past Continuous?
….I started talking … they interrupted me.
hardly have/ when
hardly/ if
hardly had/ when
hardly had/ than
52Past Simple or Past Continuous?
Once upon a time there … a witch together with her husband and stepdaughter.
were living
living
had lived
Lived
53Past Simple or Past Continuous?
We went home after it … snowing.
Had stopped
have stopped
stopped
was stopping
54Past Simple or Past Continuous?
… your bother … off the table before I turned up?
have/ felled
did/ fell
had/ fallen
did/ fall
55Present Simple or Past Simple?
_____ a good time last night?
Did you have
Were you having
Will you have
Are you having
56Why does blood turn dark red as it circulates through the body?
It starts to clot.
It gets old and dirty flowing through the body.
The oxygen in it is replaced with carbon dioxide.
The farther blood is from the heart, the more dark red it is.
57What is the organ that pumps blood all throughout the human body?
The lungs
The heart
The kidneys
The blood vessels and capillaries
58 More than half of total blood volume is the
red and blood cells
plasma
Platelets
all of them
59 Circulatory system of human is composed of
heart
blood
blood vessels
All of them
60 The pulmonary semilunar valve prevents a back-flow of blood into the _____.
pulmonary artery
Right ventricle
left ventricle
right atrium
61 Present Simple or Past Simple?
Where _____ on holidays?
you go
Do you go
do you going
are you go
62 Present Simple or Past Simple?
We all _____ a terrible shock.
were getting
gets
getting
Got
63 Present Simple or Past Simple?
I _____ lots of books every year.
will read
am reading
Read
am going to read
64 Present Simple or Past Simple?
I _____ a new flat a few months ago.
Bought
have been buying
have bought
buy
65 Present Simple or Past Simple?
Nurses _____ after people in hospital.
is looking
Looks
will look
look
66 The aortic semilunar valve prevents blood from returning to the _____.
Left ventricle
aorta
right ventricle
left atrium
67 The first heart sound is caused by closure of the _____ valves.
pulmonary semilunar
Atrioventricular
aortic semilunar
mitral
68 The left side of the heart is responsible for pumping.
Oxygenated blood to the body
Oxygenated blood to the lungs
Deoxygenated blood to the body
Deoxygenated blood to the lungs
69 The chambers of the heart are known as.
Ventricles and areas
Ventricles and cavities
Atria and cavities
Atria and ventricles
70 The structures in the lungs where gas exchange occurs are called.
Atria
Alveoli
Ventricles
Bronchi
71 Present Simple or Past Simple?
_____ to go out tonight?
Do you want
Are you wanting
Is you want
Would you want
72 Present Simple or Past Simple?
He _____ some new shoes last month.
Bought
buying
buy
buys
73 Present Simple or Past Simple?
I _____ four languages.
am speaking
Speak
speaks
am speak
74 Present Simple or Past Simple?
Every morning Tessa _____ at 7.30.
is getting up
Got up
get up
gets up
75 Present Simple or Past Simple?
The sun _____ in the day time.
shine
shone
is shining
Shines
76 Present Simple or Past Simple?
I _____ a very good program on TV last night.
was seeing
see
am seeing
Saw
77 The nurse already…
Use method of treatment
to take temperature
find out the total weight of the blood
carried out new experiments
studied the function of the human heart
78 Nobody … that the expedition … (to be found).
expected, will be found
Expected, would be found
is expected, will find
expects, had found
is expecting found
79 The doctor said that she … to London a year before.
had been
has been
be
were
will have
80 Translate into English
В норме сердце бьется со скоростью 60-70 ударов в минуту
the human heart begins to beat and pump blood 60-70 contractions
the heart acts as a pump 60-70 contractions per minute