Circulatory system

Question 1

what is the role of the circulatory system

Answer 1

to supply organs and nutrients to the body

Question 2

What are the main parts of the system

Answer 2

the heart, blood and blood vessels

Question 3

what does the parts of the circulatory system do

Answer 3

It takes oxygen from your lungs and digested nutrients into the blood and transports them to important organs.

Question 4

What is blood made up of

Answer 4

half fluid and half solids. Plasma and blood solids (white cells, blood cells, platelets)

Question 5

Hearts role

Answer 5

to pump blood

Question 6

blood vessels role

Answer 6

the blood vessels act like a highway, they are a connection of arteries and veins that transport nutrients, oxygen, waste and hormones around the body

Question 7

How much blood is in the body

Answer 7

5 L

Question 8

Why is plasma important

Answer 8

without it there wouldn’t be any fluidto help the blood cells flow where they need to go, additionally, many nutrients, drugs, ions and important proteins float in the plasma.

Question 9

Red blood cells role

Answer 9

to carry oxygen and nutrients throughout the body

Question 10

white blood cells role

Answer 10

to fight infection

Question 11

platelets role

Answer 11

to clot the blood at the site of a wound

Question 12

where are blood cells produced

Answer 12

in the bone marrow

Question 13

red blood cell structure

Answer 13

shaped like a donut without the hole punched through, called a biconcave disk

Question 14

what protein is inside of red blood cells and what does it do

Answer 14

haemoglobin binds itself to oxygen cells

Question 15

what do platelets structure look like

Answer 15

small cell, spindle shape, no nucleus

Question 16

white blood cell structure

Answer 16

irregular shaped cells, has a nucleus, medium side

Question 17

arteries role

Answer 17

takes blood away from the heart

Question 18

vein role

Answer 18

to bring blood to the heart

Question 19

Capillaries role

Answer 19

to exchange gas and other nutrients with other cells

Question 20

difference between arteries and veins

Answer 20

arteries have much thicker walls than veins

Question 21

what separates the two sides of the heart and what separates the two ventricles

Answer 21

In the heart the left atrium and the right atrium are separated by a wall called the atrial septum.

There is a left and right ventricle separated by the ventricular septum.

Question 22

what separates the atrium and the ventricle

Answer 22

a valve, to make sure the blood doesn’t flow backwards

Question 23

how does blood reach the arteries

Answer 23

when the ventricles contract blood is pumped to the arteries

Question 24

what to remember when drawing a diagram of the heart

Answer 24

Remember when you are drawing a diagram of the heart the right and left are opposites because you are looking at it like a mirror. The atrium are on the top and the ventricle are on the bottom

Question 25

what are deoxygenated and oxygenated blood coloured

Answer 25

oxygenated = red
deoxygenated = blue

Question 26

Right side pumps where

Answer 26

to the lungs via the pulmonary arteries to be oxygenated by the lungs

Question 27

left side pumps where

Answer 27

to the rest of the body with oxygenated blood

Question 28

where does blood go after being oxygenated

Answer 28

through the pulmonary vein to the left atrium

Question 29

whats the aorta

Answer 29

the largest artery in the human body

Question 30

where does the aorta split

Answer 30

The aorta then splits into smaller and smaller arteries, eventually becoming tiny capillaries. These blood vessels supply our cells with oxygenated blood.

Question 31

bloods role

Answer 31

to carry materials around such as oxygen, carbon dioxide, food, molecules and waste. To transport hormones around the body. To transport heat. Help fight diseases.