Blood color changes based on oxygen content: deoxygenated blood (venous blood) appears dark red as it returns to the lungs to get oxygen, while oxygenated blood (arterial blood) appears bright red as it leaves the lungs and heart to deliver oxygen to tissues.
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Riyansu first blood tests 2026Added:
Okay.
>> Coming out.
>> You can look when it's coming out. You just don't look when it's going in.
>> Good boy. After this, we go for shopping.
>> Tooth fairy. Give him $20 and candy.
>> And wiggle your toes. Not wiggle your feet. Wiggle your toes.
>> The toes. Do that for me. That's it.
Keeping that fist.
Okay.
Now, you're not going to watch what I'm doing. You're going to look at dad.
>> Who is daddy's best friend?
>> Me.
>> Oh, love it. Don't watch. Going to feel a scratch. One, two, three.
>> He's very strong boy.
>> You are very strong.
>> Yeah.
>> Not bad.
>> It's not bad, is it?
>> Don't look. Don't look, baby.
>> And that's the worst of it. You know, you can relax.
>> Oh, relax.
>> He's very strong.
>> Very strong. Look at that. That's you.
>> Yeah. Look at me. Look at me.
>> You are amazing. I have had grown men not as brave as you.
>> Tickles.
>> It does tickle. Yes.
>> Now, keeping that fist a little bit.
Good.
>> You're nearly there. We're already over halfway.
>> Yeah.
>> You are doing fantastic. Do you know that >> he's the best bed in the world?
And last one once I get it on there.
>> Yep. Very good.
>> You did amazing. Now you going to take it easy with this arm.
>> And you're done.
>> Now can you put Yeah. Thanks, Dad.
And >> how do you feel?
>> Do I have Does it need to give another person?
>> No. No, no, no.
laboratory >> and at the laboratory they test your blood and then they tell the doctor what they find. Did you know that?
>> And I have I had dark red blood. I didn't know I had red blood.
>> Everyone has red blood.
>> Actually, I I forgot to say dark >> dark >> dark blood. Yes. See, that's a vein.
Venus blood right now. Venus blood is blood from a vein and that is going back to your lungs to get oxygen. But when it's coming from your lungs and your heart, then it's really bright red. And that's like the one you see in the movies. You know when you see the movies and it's really red, it's cuz it's got all the oxygen in it. Dad, did I spell that correctly?
>> Yes. And birth correct?
>> Yes.
>> Great.
>> Now sticker on you.
>> Yeah.
Well, you have a fantastic day. Let me have a look. You wouldn't even know I was there. Look at that. Can't even see anything. Leave this on for at least an hour and then you can take it off >> and you >> Good
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