Question

Long Answer Type Questions
Que
diagram of the human circulatory
Why is it necessary to excrete waste products ?
63. What are the various organs of the human excretory system? Draw a diagram of the human
system and label the various parts.
transport system in plants.
65. Explain how, water moves from the soil particles to the xylem vessel in the centre of a rool
61.
State
the
function
of
circulatory
system
.
Name
the
various
parts
of
the
human
circulatory
systems
62.
What
is
meant
by
"
excretion
"
?
What
are
the
various
waste
materials
excreted
from
the
human
bo
64.
Why
do
plants
need
a
transport
system
?
Name
the
two
types
of
vessels
(
or
tissues
)
which
constituie​

Answer 1

diagram of the human circulatory

Why is it necessary to excrete waste products ?

→The process of removing waste products produced in the cells of living organisms is called excretion.

Certain waste and toxic products are formed during the functioning of body cells. The waste products like urea etc. are toxic. When these toxic materials are not removed from the body, they get mixed with blood and can damage the cells of the body. Hence it is necessary to remove such poisonous waste materials from our body.

The kidneys are two bean-shaped excretory organs that remove these toxins from your blood and produce urine to carry them from the body.