biology quiz...

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 -------