Natural active immunity arises from an exposure to antigens, while natural passive immunity <span>arises from the passage of antibodies across the placenta or breast milk. </span>A mother breastfeeding her baby is an example of passive natural immunity.
Passive natural immunity is type of immunity in which antibodies are passed from the mother to fetus or child. In case of breastfeeding antibodies are passes through the breast milk.
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Appearance is a huge factor with food it can help you determine if it was cooked right or if it looks appetizing. This is true for me because if it doesn't look good I have doubts if it will taste good
D because trachea is the tube, bronchi is what splits into your lungs, bronchioles are what look like branches of the bronchi, and alveoli are the little air bags at the bottom of the smallest bronchioles.
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Explanation:1. Teens are most concerned with Muscular strength. They focus this because it is the most flashy thing to work on.
2. I feel like teens should worry about cardiovascular endurance. They should worry about this the most so they can have more endurance and can go through more stress.
3. They can get this by doing far distance running.
If by inside, you mean staying indoors, then this is false. The average hours of sleep that people should get is between 7-8 hours. That would be 7/24 * 100 = about 30%. People must at least stay inside to sleep.
I hope I was able to answer your question. Have a good day.
