Answer:
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.
Explanation:
hope this helps...
and if u didn't get it its veins...
Answer:
The roughage or fiber is important part of the diet as it improves the digestion and lowers the heart related disease. Two main two types of fiber are insoluble fiber and soluble fiber.
The pastry is not a good source of fiber as it contains around 4 gm of saturated fat. The amount of fat ( 13 gm), cholesterol ( 60 milligram) and sodium is more than the prescribed values for the individuals diet. The amount of fiber also depends on the other food ingredients as well.
They are most mainly consists of "Keratin"
So, option B is your answer.
Hope this helps!
