right atrium
B
veins
The blood enter first to superior and inferior vena cava after the vena cava it will enter to right atrium
Right Atrium.
It enters the arteries.
At the right atrium.
left ventricle
which part of the body doesn't enter the blood
Blood enters the nephron first. It enters through the afferent arteriole into the glomerulus, where filtration takes place to form the initial filtrate.
Blood contains red blood cells. Red blood cells don't contain blood. Blood does not enter the red blood cell.
Oxygen-poor blood first enters the heart through the right atrium via the superior and inferior vena cava.
Neutrophils are typically the first immune cells to leave the blood and enter infected tissues in response to an infection. They play a critical role in the early stages of the inflammatory response by phagocytizing pathogens and releasing inflammatory mediators.