Need an answer, please need an answer, please​

hii there

lungs

observation

here we see a image of a healthy lung and a smokers lung

According to the image the healthy lung is working well and has a high oxygen percentage whereas when

we see the smokers lung we see that its quite black and has a low oxygen percentage

heart

here we see a heart which is also a Pumping organ we see that there is a coronary artereris

and a healthy muscle whereas and the heart is fit coz the person eat heart healthy food and execise well

we can see the artereris in which the blood is started to clotting because of the expansion of cholesterol plaque which is a sigh that the person is eating very oilly food or fast food and dont execise

Explanation:

hope it helps

have a nice day :)

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

answer; ///(3) three parts;