Food contains nutrients;however some foods is a better/richer sorce than others.
Answer:
pericardium
Explanation:
A double-walled membrane, the pericardium, separates the right and left chambers, preventing oxygen-rich blood from mixing up with the one without oxygen. So, the heart functions go smoothly. Deoxygenated blood enters the right atrium.
The lungs belong to the respiratory.
ANSWER:GIVEN BELOW
The climate of a region depends on many factors including the amount of sunlight it receives, its height above sea level, the shape of the land, and how close it is to oceans. Since the equator receives more sunlight than the poles, climate varies depending on its distance from the equator.
...HOPE IT HELPS YOU...ALL THE BEST
Answer:
long term heart promblems
long term lungs and liver
Explanation: