Answer:
The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen ... It sends out an electrical signal to start the contracting (pumping) of the heart muscle.
Explanation:
Answer:
The Lucille’s cells need Oxygen and glucose in order to function her body properly.
Explanation:
Our body breakdown the glucose using oxygen in order to produce energy.
By respiratory system we inhale oxygen and
By digestive system we digest food into glucose.
Our circulatory system transfer the Glucose and Oxygen to the all cells of our body,
Hence we can conclude that the Lucille’s cells need Oxygen and glucose in order to function her body properly.
Answer:
you need a pic, no one knows what you're talking about
I honestly think it is D. Impulses.