Alveolar walls are thin to enable the quick passage of oxygen in and out of the lungs. The lungs works hand-in-hand with the heart and also is responsible in converting blood that's de-oxygenated into an oxygenated blood that is usable by the organ systems of the body. The alveolar walls are also designed to have thin membranes so that it can expand and constrict quickly allowing us to breather properly.
C there your answer i hope it help
Answer:
Explanation:
What are the three main building blocks of the body?
Nutrition Proteins: building blocks of the body. Excluding water and fat, the human body is made up almost entirely of protein. Protein is the main component of muscles, bones, organs, skin, and nails.
Answer: To be in the qualifying weight range wrestler have to lose weight for 8 weeks more.
Explanation:
Current weight of Wrestler = 189 pounds
Maximum Weight required to get qualify = 185 pounds
Weight required to reduced by wrestler= 189 pounds - 185 pounds = 4 pounds
0.5 pounds is reduced in 1 week
1 pound will reduce in =
weeks= 2 weeks
4 pounds will reduce in = 2 weeks × 4= 8 weeks
To be in the qualifying weight range wrestler have to lose weight for 8 weeks more.
If an inherited behavior allows an animal to survive and reproduce, the behavior can spread ... Many animals respond to the cycles in the environment with daily or seasonal cycles of behavior. Hope that helps
