Wonderful! Clear voice & visual . Hopefully we aim for great adaptive immunity/ active immunity and have enough nutrients for a strong immune system to act quickly by day 3 or 4 Eg in case of the flu .. if one is sick for a week or longer the immune system needs help
who else is glad khan academy exists
Me
Wonderful! Clear voice & visual . Hopefully we aim for great adaptive immunity/ active immunity and have enough nutrients for a strong immune system to act quickly by day 3 or 4 Eg in case of the flu .. if one is sick for a week or longer the immune system needs help
Crystal clear explanation 🤯
Wow super lecture ❤
I first here to watch and learn this wonderful concept
Very good explanation
Thank you Khan academy
Thank you so much!!!
Clear and lucid explanation. Girl voice is so good
Tharki
Concept clear......
Your voice is so lovely ❤
Awesome
Thank you that was awesome!
❣️🌻👍
That's a cool explanation really loved it ❤
Rahm has bad luck😭😭