Loss of water in urine and sweat

Elimination of faeces from the alimentary canal

Removal of urea in urine

Loss of carbon dioxide from the lungs

Central vein

Hepatic vein

Bile duct

Cystic duct

Located behind the tongue

Opens behind lower incisor

Located at the base of pinnae

is a short duct

Is produced by reflex action

Has ptyalin enzyme which digestives the proteins

Its PH is 7.7

It is alkaline solution

Assimilation 

Excretion

Injection 

Reproduction

to secrete saliva

to bring food for chewing

to secrete enzyme

to help in digestion 

eating

thinking

stretching

breathing

Contraction

Making blood cells

Strength

Movement

ligaments

cartilage

tendons

joints