What is the first functional organ in a vertebrate embryo?
Correct answer: The heart
pandahahaha
all the more reason to protect all life
sammy
I have a awesome & strong ❤️
Violet
my my heart shocked me when I saw it 😍
At first it looked gross
like if you agree
Ruairi
Fan, as it grows. it's not fully functioning till much later.
Player #85315195
Fan, your religious, right?
Maria
E$c
Moonwatcher
Is that a real heart?
C C
to God be the glory! how about that?
vestlost solartilde
whose heart is that in the picture?🤔
Biological/Mojo
Well I'm surely heartless
despina
the heart is the stronger muscle of the body
Queen♥️♥️♥️
Eww our heart ❤️ is very dirty I am right guys
anna
it looks good to me
Elenora
sammy,😄
Su.u
the pic helped.
LISA BIG FAN💙💗💖💕💓❤
I don't see a human heart but I want to see the human heart ❤
Fan
Heart starts beating at 4 weeks to sustain LIFE. Enough said.
Chloe
That picture scared me for a second as I thought it was candy at first,⊙﹏⊙
Anya
I seriously thought it was a liver or something 🤔 Never thought it would be heart
Player #56797268
Yep When a female has a scan the heart is the main thing showing life