Answer:
We obtain carbon through cellular respiration and return by excretion through the nose
<span>Pod refers to
</span><span>c. foot
</span>
With sufficient stimulation, mature sperm<span> travel </span>from<span> the epididymis </span>through<span> the vas deferens, a muscular tube, which propels </span>sperm<span> forward </span>through<span> smooth muscle contractions. I hope this helps :D</span>