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The Excretory System

Instruction:"Complete the cross word puzzle below".
Across
A network of capillaries that performs the first step of filtering blood.
The process through which the body maintains a constant internal environment.
The one that the sweat glands store.
The process of secreting a substance, especially on that is not a waste, from the blood or cells.
The liquid waste product of the body.
The soft outer covering of vertebrates
The normal process of excreting urine; also known as voiding and mic turition
These are organs which expels carbon dioxide from the body.
These are the bean-shaped organs which acts as the natural filter of the body.
The outermost layer of the skin containing dead cells.
Down
The inner layer of the skin containing blood vessels, sensory nerve endings, sweat and oil glands, hairs, and fat cells.
An inflammation of the urethra caused by a bacterial or viral infection.
The process of waste removal generated by cell activity.
The hardening of liver due to unsafe level of toxins in the blood.
The basic structural and functional unit of the kidney.
The fatty secretion of the sebaceous gland.
The muscular sac that stores urine.
A tube that connects the urinary bladder to the genitals for the removal of fluids from the body.