Bill Nye Video #47
Blood that has traveled the body, returns to your _____ then your _____ to get more oxygen.
lungs
_______ are blood vessels that take blood away from the heart
Arteries
1. _______ blood that has traveled through the body returns to the body via the superior & inferior vena cava then enters the ______
Deoxygenated
R atrium
______ circulation supplies blood to the cells of the heart
What are the four main components of blood?
white blood cells
plasma
red blood cells
platelets
Oxygen-_____ blood goes from your lungs back to your heart then sent to the body.
rich
Why is blood pressure in arteries high?
because arteries are near the heart, which is forcefully pumping blood
Deoxygenated
R ventricle
________ circulation carries blood to and from the lungs
Pulmonary
Type A can receive blood from....
A & O
The heart speeds up during intense physical exercise because the cells need more _____
oxygen
These blood vessels are where nutrients, oxygen, and other materials move into the cells of our body
Capillaries
3. From the R ventricle, ________ blood goes through the pulmonary arteries and into the lungs to get rid of ________ _________ and pick up ________
Deoxygenated
Carbon Dioxide
Oxygen
______ circulation supplies blood to cells throughout the body
Type B can receive blood from...
B & O
Cardiac muscles (found in the heart) is a mixture of _____ and _____ muscle. This allows it to contract quickly but never get tired.
striated/skeletal
smooth
_____ bring blood to the heart
veins
4. From the lungs, _________ blood returns to the heart and goes into the _________.
oxygenated
L atrium
What are the two main functions of blood ?
1. carry nutrients to the cells and waste out of cells
2. fight disease/infection
Type AB can receive blood from...
A , B , AB , & O
The human heart has ____ chambers
4
Why is the pressure in veins lower than in arteries?
because capillaries slow down the flow of blood before it reaches the veins
5. _______ blood leaves the L atrium and enters the _________ before being pumped out to travel the body.
Oxygenated
L Ventricle
_____ carry oxygen-rich blood away from the heart
_____ carry oxygen-poor blood to the heart
arteries
veins
Type O can receive blood from...
O only