The normal human pulse rate is _____ beats per minute.
Important Questions on Transportation in Animals and Plants
Figure below reflects the blood circulation system in the human body. Which of the path contains oxygenated blood.
Give appropriate biological or technical terms for the following:
The relaxation phase of the heart.
Suggest some precautions to avoid cardiac problems.
Choose the correct answer from each of the four options given below:
A muscular wall is absent in:
Given below are certain groups of terms. In each group, the first pair indicates a relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Brain : Meninges :: Heart : _____.
Draw a sectional view of the internal structure of the human heart and label the following parts and name them:
(i) Vein which brings deoxygenated blood from the upper part of the body.
(ii) Blood vessel which carries oxygenated blood to the body parts.
(iii) Chamber which pumps deoxygenated blood to the lungs.
i. Normal heartbeat rate = 72 beat/min.
ii. Period of cardiac cycle = 0.6 sec.
iii. Stroke volume = 70 ml
iv. Normal cardiac output = 5000 ml
v. Normal blood pressure = 140/90 mm Hg
Fill in the blanks with the correct words given in the box.
Arteries and veins are joined by a network of _____.
| phloem, blood, four, capillaries, white blood |
