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WorksheetsCirculatory system
Total questions: 25
Worksheet time: 15mins
What is the role of Circulatory system in our body?
To transfer waste materials
To transfer nutrients
To transfer hormones
All of the above
Which type of blood vessels carry blood away from heart?
Veins
Arteries
Capillaries
Pulmonary artery
Why is the blood that flows from the lungs to the heart bright red rather than dark red?
As it is rich in oxygen
As it is rich in CO2
As it flows with high speed
The lungs add a pigment to the blood
Blood consists of a fluid medium called
(a)
Assertion-Ventricles have thicker walls than auricles. Reason-Ventricles are lower most chamber of heart
Both Assertion and Reason are true and reason is the correct explanation of assertion
Both Assertion and Reason are true but reason is not the correct explanation of assertion
Assertion is true Reason is false
Both Assertion and Reason are false
Oxygen rich blood enter the heart from the lungs via the
(a)
When the right atrium contracts what is the status of corresponding right ventricle?
The ventricle dilates
The ventricle contracts
There is no change in the size of ventricles
Initially the ventricles contract and then relaxes
Blood pressure of a normal healthy adult is
140/90
110/70
120/90
120/80
Arteries have thicker walls then veins as
They carry blood in one direction
They carry oxygenated blood
They carry blood under high pressure
Both option 3 and 4 are correct
Which of the following would be least likely to be found in lymph tissue?
WBC
RBC
Fatty acid
Proteins
What prevents backflow of blood inside the heart during contraction?
Valves in heart
Thick muscular walls of ventricles
Thick walls of atria
All of these
Right part of human heart contains
Oxygenated blood
Mixed blood
Deoxygenated blood
No blood
Why 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 by carbon di oxide
The farther the blood is from the heart the more darker it is
What happens when a clot occurs in an undamaged blood vessel?
You would bleed to death
A scab will form on the skin surface
Platelets stick to the edges of the cut and form a plug
The flow of blood to tissues beyond the clot may be cut off.
Which of the following cells is responsible for immune response of the body
Eosinophils
RBCs
Lymphocytes
Platelets
Most of our body cells requires oxygen as it is one of the key ingredients of
(a)
Where are RBCs produced in our body?
Thymus
Spleen
Bone Marrow
Heart
Which hormone regulates the RBC production in our body
Adrenaline
Iron
Erythromycin
Erythropoietin
The human heart pumps at an average of (a) times per day
Which one of the following statement is true about circulation in human body
Blood passes around the heart one time to supply twice to the whole body
Blood passes around the heart twice to supply twice to the whole body
Both statements are correct
Both statements are incorrect
Double circulation includes
Systemic circulation
Pulmonary circulation
Both 1 and 2
Only 1
In systemic circulation (a) blood is carried by the blood vessels
Heart is made up of
Striated muscles
Cardiac muscles
Smooth muscles
None of the above
Lungs help in (a) of blood
Lungs help in (a) of blood
