Answer:
Oxygen passes quickly through this air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
Explanation:
A nursing mother needs at least 330 to 400 kilocalories a day to receive all the nutrients required for successful lactation.
<h3>What is lactation?</h3>
Lactation is defined as a process in which mother feeds her own milk to her baby as the milk of mother contain all essential requirements that is beneficial for the growth of the baby. Atleast 330 to 400 kilocalories a day to receive all the nutrients required for successful lactation.
During the first trimester there is no need of extra calorie, during second trimester extra calorie is required and total amount is 340 calories per day suggested by doctor. In case of third trimester the requirement of calorie increases and 450 calories is required in a single day.
Therefore, a nursing mother needs at least 330 to 400 kilocalories a day to receive all the nutrients required for successful lactation.
Learn more about lactation here:
brainly.com/question/17052106
#SPJ4
Answer:
D it is airborne it floats in the air and causes the allergy