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WorksheetsS2 Unit 3 Circulatory System
Total questions: 40
Worksheet time: 22mins
A blood component that makes antibodies and fights pathogens.
WBC
RBC
platelet
plasma
Which describes a task performed by the circulatory system?
sending messages to the brain
controlling muscle movement
transporting waste materials
producing energy from foods
In which system does the heart work to move blood throughout the body?
digestive system
muscular system
respiratory system
cardiovascular system
Which part of the circulatory system is a muscle?
veins
heart
blood
Which blood vessel returns blood back to the heart?
artery
spinal cord
veins
capillary
Which is not part of the circulatory system?
brain
heart
blood vessels
blood
Which is not part of the circulatory system?
lungs
leukocytes
arteries
blood
What is the function of your arteries?
carry blood to the heart
carry blood to the lungs
carry blood away from the heart
connect the veins and capillaries
What is the function of your veins?
carry blood to the heart
carry blood to the lungs
carry blood away from the heart
connect the veins and capillaries
What is the function of your cappilaries?
carry blood to the heart
carry blood to the lungs
carry blood away from the heart
connect the veins and arteries
What occurs when the heart muscles contract?
blood flows into the heart
blood is pushed out to the arteries
blood passes through the lungs
blood picks up oxygen in exchange for CO2
What occurs when the heart muscles relax?
blood flows into the heart
blood is pushed out to the arteries
blood passes through the lungs
blood picks up oxygen in exchange for CO2
What are the walls of your veins like?
extremely thin and leaky
very thick and elastic
thick and has valves
very thick and inelastic
What are the walls of your capillaries like?
extremely thin and leaky
very thick and elastic
thick and has valves
very thick and inelastic
This blood vessel has valves.
(a)
Which is true about the sound of your heart beating?
it comes from closing valves
is made by the heart contracting
it comes from rushing blood
it comes from your heart skipping beats
What is Part A?
vena cava
aorta
pulmonary artery
pulmonary vein
What is Part B?
vena cava
aorta
pulmonary artery
pulmonary vein
What is Part C?
(a)
What is Part D?
vena cava
aorta
pulmonary artery
pulmonary vein
What is Part E?
left ventricle
left atrium
right atrium
right ventricle
What is Part F?
left ventricle
left atrium
right atrium
right ventricle
What is Part G?
left ventricle
left atrium
right atrium
right ventricle
What is Part H?
left ventricle
left atrium
right atrium
right ventricle
What do we call oxygen-rich blood?
(a)
What do we call blood that is lacking in oxygen?
(a)
Which is not a function of the circulatory system?
exchange oxygen between the body and environment
fights pathogens and diseases
helps sustain other organ systems
removes waste from cells and organs
Which structure is not found in an RBC?
nucleus
cytoplasm
cell membrane
mitochondria
What is the function of your plasma?
transports blood cells
transports oxygen
fights pathogens
blood clotting
