Certified answer cred due to :
brainly.com/profile/HistoryGuy-343799One way in which classification is used at school is the separation of different subjects and subject materials. For instance one day you may go to a math class, while another day you may go to a french class.
Answer:
I know it will decrease. The venticles are filling with less blood between beats most likely since the heart is beating faster. (I hope this helps!)
Explanation:
<span>It stores substances such as food, water, and wastes</span>