Hope this helps !!!
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Answer:
B
i think that because of brains
125mg
"The cold temperature may cause the capillary refill to be 5 seconds. We should assess further."
