The Excretory System

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
K n y
Either of two bean-shaped excretory organs that filter wastes from the blood and excrete them
2.
B d e
A distensible membranous sac
3.
S i c r
4.
U t r
5.
U t r
6.
E r r y
Of or relating to the process of ___
7.
S e m
Instrumentality that combines interrelated interacting artifacts designed to work as a coherent
8.
S c e
Study of the natural world through experiments
9.
B d
The entire physical structure of an organism
10.
H u
Any living or extinct member of the family Hominidae characterized by superior intelligence
11.
H a h
How well your body and mind are doing
12.
L e
The time between birth and death; what living things have
13.
I n s