Circulatory System

Question 1

Blood

Answer 1

Composed of 55% plasma

Question 2

Capillaries

Answer 2

Network of tiny blood vessels
Artery connects to vein
Tiny blood vessels
Exchange from oxygen, nutrients glucose (which diffuses in ) with carbon dioxide &other waste materials (diffuses out)

Question 3

Veins

Answer 3

Deoxygenated blood is carried back to heart through these
Blood vessel where deoxygenated blood go
Carries blood to heart
Needs valve to keep going

Question 4

Circulatory system

Answer 4

A system that moves blood throughout your body

Question 5

Heart

Answer 5

A muscular organ that pumps blood throughout body

Question 6

Atrium (left, right)

Answer 6

Chambers
Allow the blood to move from body into heart. 
*blood always go to atrium
Left: received blood from lungs
Right: received blood from body

Question 7

Ventricle

Left, Right

Answer 7

Chambers
Pumps blood out of heart
*blood leaves from ventricle
Left: pumps blood to body
Right: pumps blood to lungs

Question 8

Valve

Answer 8

Flap of tissue
Between chambers/ doesn’t allow blood to flow backwards
One way door

Question 9

Aorta

Answer 9

Largest artery

Branch into smaller arteries until capillaries

Question 10

Arterioles

Answer 10

Smallest artery
Which reaches capillaries
Also carries blood away, near the end close to cell diffuses into cell

Question 11

Venule

Answer 11

Smallest veins

Helps deoxygenated blood reach vein

Question 12

Arteries

Answer 12

Blood vessels that carry oxygenated blood
Carry blood away from heart
Thick walls to contain high pressure no burst

Question 13

Types of blood (4)

Answer 13

Plasma (liquid that contains protein minerals &other substances)
Red blood cells (carry oxygen, rich in iron)
White blood cells (fight infections)
Platelets (clot blood, form scabs)

Question 14

Oxygenated blood and deoxygenated blood

Answer 14

Oxygenated blood contains oxygen no carbon dioxide by dropped off @ lungs)
Deoxygenated blood doesn’t contain oxygen had carbon dioxide

Question 15

Which side of heart collects blood from body and pimps to lungs?

Answer 15

Right (atrium, ventricle)

Question 16

Which chamber receives blood from lungs?

Answer 16

Left atrium

Question 17

Which ventricle is more muscular?

Answer 17

Left bc longer distance

Question 18

Blood flow (6)

Answer 18

-superior inferior vena cava
Right atrium
-valve 
Right ventricle
-pulmonary artery
Lungs
-pulmonary veins
Left atrium
-valve 
Left ventricle
-aorta 
To body
Leaves through artery

Question 19

Colour exception

Answer 19

Pulmonary artery- blue

Pulmonary veins- red

Question 20

Structures in circulatory system

Answer 20

Heart and blood vessels