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Worksheets34.1 Circulatory System (1)
Total questions: 25
Worksheet time: 21mins
The part of the blood that carries oxygen is called
Red blood cells
White blood cells
The type of blood vessel that normally carries de-oxygenated blood back to the heart from body cells
arteries
veins
capillaries
The type of blood vessel that normally carries oxygenated blood from the heart to the body cells?
arteries
veins
capillaries
White blood cells
(a) .
(a) is the liquid part of blood.
(a) help form clots to stop bleeding.
The system that sends electrical signals to the heart that tell it to beat.
respiratory
lymphatic
nervous
digestive
Oxygenated means the blood has a lot of....
Oxygen
Carbon Dioxide
What is the purpose of valves in the veins?
keep blood from flowing in the wrong direction
keep blood pure
transport nutrients and oxygen in the blood
maintain pulse rate
The circulation system is the body's system.
(a)
Arteries are thick-walled because they
need to carry heavy nutrients throughout the body
need to protect the blood from invaders
need to withstand the pressure of the heart pumping blood into them
need to withstand the pressure of oxygen bubbling up
When you (a) you increase your rate of (b) so your (c) may dilate, which means (d) , to bring more (e) and take away more waste products.
Capillaries have thin walls. This allows them to
fit into small spaces in the heart
have valves to keep the blood from flowing in the wrong direction
withstand the pressure of the heart pumping
easily diffuse gases, nutrients, solutes, etc. across the membrane
Blood flow is weaker in the veins than it is in the arteries
true
false
The condition of varicose veins
usually means valves in the veins have been damaged
only happens to women
is because oxygen is too plentiful in the blod
usually means the patient has low blood pressure
Blood comes into veins from (a) , so it is not entering with much (b) . Blood moves in the veins because of (c) and (d) .
Every heartbeat has two contractions. The first is when the (a) contract and the second is when the (b) contract.
Every heartbeat has two contractions. The first is when the (a) contract and the second is when the (b) contract.
The two loops blood makes in the body are (choose 2):
heart through body and back to heart
brain to organs and back to brain
heart to lungs and back to heart
spinal cord to body and back through veins to spinal cord
heart to lungs to body and then back to heart
Air in the lungs has (a) O2 and blood coming from the body has (b) O2, so O2 diffuses from the (c) into the (d) through the (e)
red blood cells
carry oxygen
white blood cells
the body's disease fighters
platelets
rush to the site of a wound
white blood cells
there are different kinds of these that do different things
platelets
produce fibrin
red blood cells
are made of mostly hemoglobin
Which blood type can RECEIVE from the most donors?
A
B
AB
O
Which blood type can DONATE to the most recipients?
A
B
AB
O
