Rohit's father experienced a heart attack. Doctor told him that his blood vessels have become narrower. What could be the reason for this?
AHis diet has an excess of roughage and water.
BHis diet lacks proper amount of vitamins and minerals.
CHis diet has an excess of fats and carbohydrates.
DHis diet lacks proper amount of proteins and carbohydrates.
I think that blood became narrower because diet lacks proper amount of vitamins and minerals especially iron which helps us to make haemoglobin in the blood, without it, the blood will become narrower because it is less dense. Then how option C is correct? I think that option B should be correct. Please tell me about this
Ans 4:
Class : Class 7
answer can be correct but loss of minerals and vitamins also causes blood vessels to make blood vessels not that strong and to carry less blood so b and c both are correct
Ans 6:
Class : Class 6
I HAVE WON THE FIRST GOLD MEDAL IN SCIENCE OLYMPIAD 1st LEVEL AND I HAVE A MERIT CERTIFICATE AND PARTICIPATION CERTIFICATE IN 2nd LEVEL.........I AM HAPPY..............
Ans 8:
Class : Class 9
the answer must be C . this is because fat in the form of cholestrol gets collected in the blood vessels owing to chances of heart attack