Answer:
After leaving the heart, the red blood cell travels through the pulmonary artery to the lungs. There it picks up oxygen making the deoxygenated red blood cell now an oxygenated blood cell. The blood cell then makes it way back to the heart via the pulmonary vein into the left atrium.
Explanation:
second question answer yan
The statement that a pregnant woman planning her diet should generally include an extra 300 Calories per day is true. Pregnant women should eat a balanced diet. In the second timester the daily calorie intake should be increased by 300 to 350 calories per day. That's the equivalent of, say, two glasses of skim milk and a bowl of oatmeal
Make sure to be careful with residents
I would say the handful of nuts but not 100% sure :)
They could set up a fundraiser, or an awareness campaign in order to inform the public about the disease. (something similar to the Ice Bucket Challenge)
I hope this helps! :)