Answer:
Cardiovascular system
Explanation:
Cardiovascular means relating to the heart and blood vessels. Even though blood system sounds like an appropriate name, the circulatory system studies more than just blood, it studies the heat and blood vessels as well.
If your choices are the following:
<span>A. rhizoids
B. sporophylls
C.leaves
D.the waxy cuticle
E. lignified vascular tissue
Then the answer is E.</span>
<span>Symptoms that are consistent with a diagnosis of cancer of the descending colon would be pain. The descending colon is in the left side, and is also commonly called the colorectal cancer, is characterized by a lot of pain in the rectum and/or abdominal area.</span>