I believe it's lipids and carbohydrates, carbohydrates storing energy as glycogen.
Answer:
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. Figure below shows the hands of several different mammals. They all have the same basic pattern of bones
The oxygen brought in can diffuse to your entire body and carbon dioxide from your lungs can be easily exhaled
Answer:
Endoplasmic reticulum and ribosome!
Explanation:
