I guess that is:
Within the capillaries of the lungs, gases are exchanged by diffusion; O2 diffuses from the alveolus to the bloodstream and CO2 diffuses from the bloodstream to the alveolus.
Answer:
The correct answer is c. are relatively larger than humans.
Explanation:
The olfactory bulbs of the sheep are two or three times larger than humans, and therefore, they provide them a greater sense of smell, which in their case, is indispensable for surviving. This serves them for finding food, as well as finding their babies and other things.
Answer:
Generally, the main function of both microphylls and megaphylls is to undergo photosynthesis. In comparison, the main structural feature of megaphylls is the presence of multiple veins. Also, they contain leaf gaps.......
Sea star
explanation: a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.