WorksheetsBiology
Total questions: 8
Worksheet time: 5mins
Name
Class
Date
1.
The __________ is the main circulatory system in humans.
a)
lungs
b)
heart
2.
The _________ is the largest artery in the body.
a)
Pulmonary artery
b)
buccal artery
c)
Aorta
d)
None of the above
3.
A thick muscular wall called the ____________.
a)
Auricles
b)
Ventricles
c)
septum
4.
Blood Group AB is called
a)
universal recipient
b)
universal donor
5.
The pulmonary artery carries pure blood while pulmonary veins carry impure blood.
a)
False
b)
True
6.
There are about ___ -- ___ million RBCs in each mm3 of blood.
a)
4 - 6
b)
9-10
c)
5 - 6
d)
None of the above
7.
Why RBCs are Red in colour?
4 lines
8.
Identify the above picture.
a)
This is the picture of Oswald Avery
b)
This is the picture of James Black
c)
This is the picture of Rachel Carson
d)
This is the picture of Karl Landsteiner
100 %
