The left ventricle must contract with more force in order to send blood to the body's extremities
I hope this helps! I'm happy to answer any other questions you might have :)
D because no human has the ability to make their own food within themselves.
<span> After fertilization, the </span>zygote<span> undergoes cleavage to form the blastula. The blastula, which in some species is a hollow ball of cells, undergoes a process called gastrulation, in which the three germ layers form.</span>
Coordinates muscles controlling breathing ..
Hope it helps.