Mention briefly about the circulatory system of earthworm

The system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.

Earthworms (Pheretima) have closed blood vascular systems, which consists of the heart, blood vessels, and capillaries. The heart pumps blood for circulating it in one direction. Blood is supplied by...

(a) Ureters in frogs: A ureter acts as a urinogenital duct, which carries sperms along with urine in male frogs. (b) Malphigian tubules: Malphigian tubules are excretory organs in cockroaches. (c) Body...

(a) (i) and (ii) 

A rich farmer  The open field system was not beneficial for the rich farmer because he could not have exclusive control of the commons. He could not expand his area under...

1. Increase in heart size :- Regular exercis develop the muscles of heart. It increases the size of heart along with the strengthening of heart. Heart becomes efficient in doing...

The body system, which specialized function ofr transporting Air, Nutrients, Waste Material, Harmons and Enzymes. It consists Heart, Blood vessels & glands.

Training have following effects on circulatory system: Increase in oxygen circulation to muscles: Blood contains three different types of cells i.e. white blood cells which fight infection, red blood cells that transport...

A rich farmer: The open field system was not beneficial for the rich farmer because he could not have exclusive control of the commons. He could not expand his area...