What do we want to know about the circulatory system? by Samuel Lyford

Why does the heart pump blood

2017-06-15 02:01:43 UTC

Is the heart a muscle

samlyford — 2017-06-15 02:01:45 UTC

How fast does blood travel?

2017-06-15 02:02:00 UTC

Jm and Nm

Does every animal have a circulatory systemi

2017-06-15 02:02:00 UTC

how dose the blood get to the heart

2017-06-15 02:02:08 UTC

c.e

How long does its take for the veins to take all the old blood into the heart to refresh?

2017-06-15 02:02:18 UTC

how does the heart work?

2017-06-15 02:02:20 UTC

Does the heart pump blood and oxygen at the same time?

2017-06-15 02:02:21 UTC

Why do people bleed?

2017-06-15 02:02:21 UTC

Why is your blood red?CC!

austin220 — 2017-06-15 02:02:38 UTC

What does a guinea pigs circulatory system look like?

2017-06-15 02:02:40 UTC

SAMMY

How does blood travel through such a small pipe?

2017-06-15 02:02:48 UTC

Jm and Nm

Why do blood vessels have to be different than artiries

2017-06-15 02:02:56 UTC

TV😁

How many chambers are in our heart?

2017-06-15 02:03:08 UTC

How does oxigin bleand in to our blood without creating a bubble?

2017-06-15 02:03:08 UTC

How much blood do we have in our body?

austin220 — 2017-06-15 02:03:22 UTC

CG,

how does the circulatory system work?

2017-06-15 02:03:27 UTC

c.H

why do we have blood

2017-06-15 02:03:29 UTC

e.c

Is the circulatory system the most important system in your body?

2017-06-15 02:03:46 UTC

Why do we have a circulatory system?

2017-06-15 02:03:46 UTC

how dose the heart work

2017-06-15 02:04:14 UTC

c.e

How long does it to take for the heart to refresh the blood?

2017-06-15 02:04:18 UTC

why do the blood cells turn purple when they run out of ox

2017-06-15 02:04:20 UTC

What does the circulatory system do

2017-06-15 02:04:32 UTC

Why is your heart that shape

austin220 — 2017-06-15 02:04:35 UTC

??CC!!!

Are our blood vessels like finger prints

2017-06-15 02:04:35 UTC

why does your heart pump

2017-06-15 02:04:44 UTC

JESSE

why dose the heart pump blood

2017-06-15 02:05:00 UTC

c.e

What cleans the blood?

2017-06-15 02:05:13 UTC

Nm😭

Why does the heart beat.

2017-06-15 02:05:14 UTC

why does the blood cells turn purple when they run out of oxygen?

2017-06-15 02:05:34 UTC

How does the lungs give blood oxgain?

2017-06-15 02:05:41 UTC

How heavy is the heart?

2017-06-15 02:05:48 UTC

RP😋

Why does your blood turn purple when you hold your breath

2017-06-15 02:05:55 UTC

How big is your veines?

austin220 — 2017-06-15 02:05:55 UTC