Answer:
Actin and myosin are completely overlapped
Their skin is thin so they're prone to drying out and they cannot hold moisture in their bodies(Waterproof skin)
That one difference is that a women’s voice box has a much higher vibration and a Male’s voice box has a much lower and deeper vibration when they get older.
Hope this helps :)
Answer:
The two membranes pull apart a little and create a small pocket or sack of air. As the developing bird grows, it breathes in oxygen from the air sack and exhales carbon dioxide. Several thousand microscopic pores all over the surface of the egg allow the CO2 to escape and fresh air to get in.
Explanation:
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