Answer:
This is a poorly formatted question. B.
Explanation:
First of all, B is absolutely correct, but may not be within this context. I would answer B, but be ready to fight your teacher about it.
The task of the respiratory system is the exchange of Oxygen and Carbon Dioxide within the body; however, the respiratory system alone has no mechanism for the transfer of oxygen from the lungs to the body for absorption and transfer of carbon dioxide from the body for expulsion. The cardiovascular system assists in this by moving oxygen-saturated blood from the lungs to different parts of the body and carbon dioxide rich blood from the body to the lungs.
<span>1. Hind limes tend to be sturdier, stronger and longer. </span>
<span>2. The hind limbs are more firmly attached to the spine.</span>
False, a lipid bilayer is a MOSTLY apolar cell structure,which means polar molecules can't easily go through it
