(a) Our heart has a total of
chambers
(b) The function of veins is that they
The first thing that a smoker should do is that he should
(d) Mediterranean diet is an excellent model for those wishing to maintain their cardiovascular heart
because it is low in
answer them from Bravia companion page number 319 of class 9th
Answers
Answered by
1
Answer:
a The heart has four chambers: two atria and two ventricles.
b
Nicotine causes your blood vessels to constrict or narrow, which limits the amount of blood that flows to your organs. ... These changes in the structure and function of your blood vessels and heart increase your risk of high blood pressure and cardiovascular disease
Similar questions