1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft
The proteins that help defend the body against bacteria, toxins, and allergens are called antibodies. The antibody<span> (Ab) protein is also known as an immunoglobulin (Ig).
</span>These<span> large Y-shaped proteins are</span><span> produced by the immune system in order to prevent the body in response to the presence of a foreign substance. The foreign substance is called antigen.
</span>
<span>It was made in stars that lived before the solar system formed.
Hope this helps!
-Payshence xoxo</span>
The bronchi are where air passes from the trachea.
