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WorksheetsSkin and Excretory Systems
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
The inner layer of the skin is called the
a)
dermis
b)
epidermis
c)
subcutaneous tissue
d)
fat
2.
The outer layer of the skin is called the
a)
dermis
b)
epidermis
c)
subcutaneous tissue
d)
fat
3.
Tiny openings at the skin’s surface are called
a)
epidermis
b)
pores
c)
dermis
d)
oil gland
4.
The cells that make up the epidermis are both living and
a)
alive
b)
dead
c)
yellow
d)
brown
5.
Hair grows from ____________________ located in the skin
a)
pores
b)
dermis
c)
hair follicle
d)
oil follicle
6.
The skin is moistened and softened by oil made in
a)
salt glands
b)
rain glands
c)
water glands
d)
oil glands
7.
Nerve endings in the skin are located in the
a)
epidermis
b)
dermis
c)
subcutaneous tissue
d)
fat
8.
Water molecules in the blood pass through the walls of the ____________________________ into the sweat glands
a)
capillaries
b)
sweat glands
c)
pores
d)
dermis
9.
The structures in the skin that help to remove liquid wastes are the
a)
hair follicle
b)
sweat gland
c)
water gland
d)
capillaries
10.
Liquid wastes are removed from the skin as sweat or
a)
rain
b)
perspiration
c)
showering
d)
swimming
11.
Carbon dioxide and water are byproducts of cellular respiration
a)
true
b)
false
12.
Excretion is the process by which the body takes in waste products
a)
true
b)
false
13.
One of the waste products of the human body is heat
a)
true
b)
false
14.
Waste products that build up in the body can be harmful to the body
a)
true
b)
false
15.
Removing waste products from the body is the job of the circulatory system
a)
true
b)
false
16.
The three main organs of excretion are the lungs, skin, and nose
a)
true
b)
false
17.
Undigested waste products are removed from the body through the anus
a)
true
b)
false
18.
The job of the small intestine is to remove water from undigested wastes
a)
true
b)
false
19.
The largest organ of the excretory system is the skin
a)
true
b)
false
20.
The job of the kidneys is to get rid of solid wastes
a)
true
b)
false
21.
The tube that carries liquid wastes from the kidneys to the bladder is the ureter.
a)
true
b)
false
22.
Liquid waste is excreted through the large intestine
a)
true
b)
false
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