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Blood | Functions and Composition of Blood

Blood is specialized fluid connective tissue, transports nutrition, water and oxygen to various tissues and organs. circulates in closed vessels. sl

Robert Whittaker grouped organisms into

In humans, the excretory system consists of one pair of kidneys, a pair of ureters, a urinary bladder and a urethra. Each kidney has over a million

Plants unlike animals have no special systems for breathing or gaseous exchange. Stomata and lenticels allow gaseous exchange by diffusion. Almost

This practice test includes 25 from the chapter human reproduction class 12.

Anatomically, a plant is made of different kinds of tissues. The plant tissues are broadly classified into meristematic (apical, lateral and int