10 questions
blood is not responsible for transport of oxygen for transport of oxygen and nutrients.
true
false
Artiers carry ------------- blood
oxygenated
deoxygenated
no blood
none of the above
veins carry deoxygenated blood from lungs to cells.
true
false
The thinnest blood vessels in human body are
arteries
veins
capilharies
other
the human body consists of -------- chambers
2
4
5
1
The heart------ while receiving blood and ----- while pumping blood.
both relaxes
contracts, relaxes
relaxes, contracts
both contracts
------- is a pale yellow liquid which contains 95% of water and 5% of other substances.
saliva
plasma
blood
bile
clothing is possible due to the presence of ------ which stop the bleeding.
pulse
alveoli
valves
platelats
which of the following is an organ of excretory system.
lungs
kidney
heart
other
the process of water passing out from the surfaces of a plant or a leaf is called -------