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 =)
Answer:
No.
Explanation:
Cardiac is a type of involuntary muscles.
Muscles like skeletal muscle, are voluntary. Examples are: Iliac, gluteus, abductor.
Based on DNA sequences, it is believed that changes in nucleotide sequence between two species are equivalent to the time that has elapsed since the two species diverged from their common ancestor. Gene sequencing is being used in addition to morphology to determine evolutionary relationships between organism. Homologous sequences show greater evolutionary relationship
B. I think, because they are both mechanical. Don't quote me on that <span />
