Excretory system in cockroach is.
Malpighian tubuless
Ventricles
Auricles
Alary muscles
Ventricle are incompletely divided in.
Crow
Cat
Camel
Lizard
Colourless blood is seen in.
Earth worm
Frog
Insect
Caval veins in amphibians from.
Right auricle
Left auricle
Ventricle
Sinus venosus
The substance produced in one part of the body and taken to another part.
Oxygen
Phosphorus
Hormone
Iodine
The number of hearts in megascolex.
9 pairs
8 pairs
7 pairs
6 pairs
Open type of circulatory system consists of.
Blood vessels and blood
Gills and blood
Auricles and ventricles
Heart, sinus and blood
Endocrine gland on the kidney.
Pituitary gland
Adrenal gland
Thyroid
All
What is the colour of blood in snail ?
Black
Red
Green
White
An endocrine gland present in brain.
Pituitary
Oil gland
Digestive gland