Blood
what are the 4 main components of blood
Plasma, White blood cells, red blood cells, and platetas.
Your heart is a ____
Muscle
What are veins?
Vesicles that carry red blood cells that go back to the heart.
If you exercise what increases?
Heat rate
Oxygen moves to your blood when you____
Inhale.
what do blood cells float in?
Plasma
When your valves open and close it make your ______
Heart beat.
What are Arteries?
Carry red blood cells that have oxygen.
If you hold your breath what increases?
Breathing rate
What is the double loop system?
Blood does 2 loops one in your body and one in your lungs.
Red blood cells deliver what around your body
Oxygen
What is heart failure?
Is when your heart cannot pump blood to normal speed.
Why are Veins not so thick?
They are not so thick because they are not next to the heart so they don't take that much pressure.
What maintains your blood pressure?
plasma
What delivers oxygen around your body?
red blood cells
what do white blood cells do?
Help your immunity system fight germs.
What are the four chambers?
Right atrium, Right ventral, Left atrium, Left ventral.
Why are Arteries thick?
Arteries are thick because they are next to the heart and since it has so much pressure to pump the blood they need to be able to handle the pressure.
What can high blood pressure cause?
Heart attacks and stroke.
When a blood cells is more red dose it have more or less oxygen?
More
What do platelets help with?
Making a blood clot when you are bleeding to stop the blood from getting out.
where does the blood enter your heart?
Superior ventricle.
What connects veins and arteries?
Capillaries.
What can low blood pressure cause?
Dizziness and fainting.
When a blood cells is less red dose it have more or less oxygen?
Less