All of the veins of the systemic circulation drain into the before returning to the heart.
a. pulmonary trunk
b. superior and inferior vena cavae
c. inferior vena cava
d. pulmonary veins
e. superior vena cava

Option B

Explanation:

All the blood from the body gets pure inside the heart. The impure blood from the body is collected by the superior vena cavae and inferior vena cavae.

The waste blood from the body is collected and enters collectively into the heart. This blood is impure(deoxygenated)  and need to be pure (oxygenated) before being circulated into the body.

So, the correct answer is option B

answer:

i’m so sorry.

explanation:

-chocolate

-tea

-advil

-hot baths

-rest

these are only a few suggestions but i hope that this info you. (^_^)

answer:

gygu hj j uy   b

explanation:

08: 21

read the excerpt from "the tell-tale heart.”

object there was none. passion there was none. i loved the old man. he had never wronged me. he had never given me insult. for his gold i had no desire. i think it was his eye! yes, it was this! he had the eye of a vulture—a pale blue eye, with a film over it. whenever it fell upon me, my blood ran cold; and so by degrees—very gradually—i made up my mind to take the life of the old man, and thus rid myself of the eye forever.  

read the excerpt from "the black cat.”

beneath the pressure of torments such as these, the feeble remnant of the good within me succumbed. evil thoughts became my sole intimates—the darkest and most evil of thoughts. the moodiness of my usual temper increased to hatred of all things and of all mankind; while, from the sudden, frequent, and ungovernable outbursts of a fury to which i now blindly abandoned myself, my uncomplaining wife, alas! was the most usual and the most patient of sufferers.

by revealing the narrator’s deepest thoughts, the author