Excretory System of Human Beings

What is the use of urethra?

What is the biggest organ in our body? Whether is it skin or stomach?

Skin acts as an outer barrier in the human body.

What are excretion and the role of skin in excretion?

Our body fills with extra water and _____ (waste/nutrients) products if the kidney does not function properly.

Give the reasons that lead to kidney failure.

Ureters carry urine from the kidneys.

What are Ureter and its function?

What are the consequences of uremia?

Define uremia.

Urine is formed in the kidneys through the filtration of _____. (saliva/blood) 

Accumulation of urea in blood is called

Choose the excretory organ.

Liver act as an excretory organ. Justify the statement.

Name the organs that clean the blood.

Urine is a secretory product.

Malfunctioning of kidneys can lead to accumulation of urea in blood, a condition called diabetes mellitus.

Identify the correctly matched pair

(1) Uraemia - Excessive amount of urea

(2) Hyperglycemia - Excess glucose in blood

(3) Absence of factor VIII - Haemophilia

(4) X-linked disorder - Glycosuria

Write 'true' or 'false'. If false, write the correct statement.

Kidney stones occur only in the kidneys.

Rank the following as cell, tissues, organ, organism-

Kidney