Some birds prioritize blending in with their environment while other species of birds have bright and effervescent feathers in order to attract a mate.
Hope this helps!
Answer:
The correct answer would be D.Alveolar sacs are surrounded by thin capillaries where gases can be exchanged.
Alveoli are tiny sacs which form the site of gas exchange in the lungs.
The features of alveoli which help in gas exchange are:
- They increase the surface area in the lungs thus, more space is available for gas exchange.
- They have very thin walls, as thin as the thickness of a single cell only.
- They are surrounded by a bunch of thin capillaries which exchange gases with alveoli.
Answer:
hmm, maybe peppa and sven
Explanation:
<span>The female is born with about one million immature sex cells.</span>
Answer:
the answer is C
Explanation:
this shows how nutrients in the body because it enters the blood capillary which therefore goes through the small intestine.
I really hope this is helpful and understanding.