The circulatory system of humans and other animals is the organ system responsible for the pumping and transport of oxygen and materials within the body. It contains the heart, arteries, veins, capillaries, and blood. The heart acts as a pump pushing blood outward. The arteries, veins, and capillaries act as tubes or tubes through which blood flows. The blood vessels are called blood vessels. The heart is broadly triangular in shape and is made up of a special type of muscle called cardiac muscle. Let's know more about Circulatory System.
1. There are four parts in the heart which are called:
A. Cardiac muscle
B. Chambers
C. Ventricles
D. All of the above
2. What are the upper two chambers of the heart called:
A. Ventricles
B. Cardiac muscle
C. Chambers
D. Atria
3. What are the lower two chambers of the heart called:
A. Ventricles
B. Cardiac muscle
C. Chambers
D. Atria
4. The ventricular walls are _________ than the atria.
A. Thinner
B. Thicker
C. Equal
D. None of these
5. The Oxygenated process means the blood has a lot of:
A. Omega
B. Oxygen
C. Carbon Dioxide
D. Water
6. The blood obtains the oxygen from which organ?
A. Kidney
B. Brain
C. Lungs
D. Heart
7. In the body, the superior vena cava receives blood to the heart from where?
A. Head
B. Neck
C. Upper Limbs & Chest
D. All of the above
8. In the body, the INFERIOR vena cava receives blood to the heart from where?
A. Torso
B. Organs
C. Lower Limbs
D. All of the above
9. In the lungs, the blood gets rid of___________.
A. Carbon dioxide
B. Oxygen
C. Impure blood
D. Pure blood
10. Lastly, the oxygenated blood goes through the ___________ to the rest of the body.
A. Left ventricle
B. Right ventricle
C. Aorta
D. Atria
11. The fleshy heart is protected by:
A. Pericardium
B. Pulmonary artery
C. Left ventricle
D. Right ventricle
12. Which is the blood supplied to our body?
A. Hormones
B. Digested food
C. Other chemicals
D. All of the above
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