It accelerated your heart rate so you feel as if you’re in a rush/ need to rush, you’ll feel tense, your pupils dilate to let more light in to see better in darkness, your digestion rate decreases, more blood flows to your muscles so you can fight or take flight (run away)
When an organism eats another organism, it gains energy
It is 200 million years because it has been around for a long time.
Answer:
70 inches per year
Explanation:
within a given time and area, expressed as a hypothetical depth of coverage: a rainfall of 70 inches a year.
Answer:
The alveolar membrane- is where gas exchange between the blood and the atmosphere takes place. The gas molecules must diffuse across the alveolar epithelium and the capillary endothelium. ... Thus, the alveolar surface (as well as the respiratory bronchioles) have no cilia or mucus layer.
Explanation:
hope it helps =)
