Life Science: Human Body Systems, Book D

Chapter 1: Structure and Movement

Structure and Movement

1
The outer layer of skin is called the__________.
A)epidermis
B)perspiration
C)pigment
D)glands
2
__________ makes movement easier by reducing friction that might happen if bones rubbed together.
A)Hinge joints
B)Red marrow
C)Cartilage
D)Periosteum
3
Where would you find a hinge joint in your body?
A)your hips
B)your wrists
C)your fingers
D)your shoulders
4
Which two elements help make bones hard?
A)sodium and chlorine
B)calcium and phosphorus
C)nitrogen and helium
D)hydrogen and oxygen
5
__________ can be used to repair severely burned skin.
A)Pivot joints
B)Grafts
C)Periosteum
D)Phosphorus
6
Joints in the bones of your skull are __________.
A)gliding
B)immovable
C)spongy
D)striated
7
About how many muscles are in your body?
A)206
B)600
C)5,000
D)4
8
Where are dead skin cells found?
A)in the periosteum
B)in the red marrow
C)in the epidermis
D)in immovable joints
9
How is your shoulder joint classified?
A)ball-and-socket joint
B)hinge joint
C)gliding joint
D)immovable joint
10
Where is spongy bone located?
A)on a living bone's surface
B)in the soft tissue in the center of bones
C)in the osteoblasts in the bone
D)at the ends of long bones
11
Bones protect your __________.
A)sense of smell
B)internal organs
C)skin
D)hair
12
What is the skin's most important function?
A)protection
B)color
C)circulation
D)excretion
13
Two or more bones come together at __________.
A)pores
B)melanin
C)joints
D)flexors
14
About how many bones does the human body have at birth?
A)506
B)94
C)206
D)300
15
Food moves through your digestive system. What type of muscle makes this action happen?
A)skeletal muscles
B)voluntary muscles
C)involuntary muscles
D)cardiac muscles
16
In which of these parts of your body would you find skeletal muscle?
A)in your leg
B)in your bladder
C)in your liver
D)in your heart
17
One function of your skin is to make __________.
A)bile
B)vitamin D
C)bone marrow
D)energy
18
Exercised muscles are __________ than inactive muscles.
A)larger
B)less striated
C)more voluntary
D)smaller
19
__________ release waste products from the body.
A)Sweat glands
B)Spongy bones
C)Skeletal muscles
D)Cartilages
20
What type of muscle is found in your intestines?
A)smooth muscle
B)voluntary muscle
C)skeletal muscle
D)striated muscle
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