science-blood and circulation Flashcards
1
Q
Which of these is an adaptation of a vein?
A
One way valves
1
Q
In which direction do arteries carry blood?
A
Away from the heart
2
Q
What are the smallest vessels which carry blood called?
A
Capillaries
3
Q
Where does the left ventricle pump blood to?
A
Rest of body
4
Q
Where does the right atrium pump blood to?
A
Right ventricle
5
Q
By which process does oxygen move from your blood to the tissues?
A
Diffusion
6
Q
What usually controls the beating of your heart?
A
Electrical signals
7
Q
Which blood vessel carries oxygenated blood?
A
Pulmonary vein