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WorksheetsChapter 27
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Chemical signals that travel through the bloodstream are ___.
a)
messengers
b)
hormones
c)
action potentials
d)
nerves
2.
Each of the small bones making up the backbone is called a(n) ___.
a)
sacrum
b)
sarcomere
c)
vertebrae
d)
lumbar
3.
A specialized tissue in bone that stores fat or makes cells that become blood cells is called ___.
a)
marrow
b)
cartilage
c)
lipid
d)
stem cells
4.
Bones in a movable joint are held together by a strong, fibrous connective tissue called a(n) ___.
a)
tendon
b)
ligament
c)
cartilage
d)
bursa
5.
___ is a common skeletal disease characterized by inflammation of the joints.
a)
Arthritis
b)
Bursitis
c)
Osteoporosis
d)
Phlebitis
6.
A muscle is attached to a bone by a type of connective tissue called a(n) ___.
a)
neuron
b)
ligament
c)
tendon
d)
cartilage
7.
Inside a muscle fiber are bundles of smaller units called ___.
a)
myofibrils
b)
actin
c)
myosin
d)
sarcomeres
8.
The ___ is a muscle fiber's basic unit of contraction.
a)
neuron
b)
sarcomere
c)
myosin
d)
actin
9.
Protein found in thick filaments
a)
actin
b)
myosin
c)
sarcomere
d)
myofibril
10.
Protein found in thin filaments
a)
actin
b)
myosin
c)
keratin
d)
collagen
11.
Tissue that covers the entire surface of the body and lines the internal organs
a)
skeletal tissue
b)
muscular tissue
c)
nervous tissue
d)
epithelial tissue
12.
Muscle that causes the heart to pump blood
a)
cardiac muscle
b)
skeletal muscle
c)
smooth muscle
d)
fascicle
13.
Solution that fills the gaps between cells in a tissue
a)
hypotonic solution
b)
interstitial fluid
c)
osmosis
d)
hypertonic solution
14.
Type of muscle that moves food through the digestive system
a)
cardiac muscle
b)
smooth muscle
c)
skeletal muscle
d)
peristaltic muscle
15.
Voluntary muscle
a)
cardiac muscle
b)
skeletal muscle
c)
smooth muscle
d)
myofibril
16.
Tissue that forms the communication system of the body
a)
nervous tissue
b)
epithelial tissue
c)
cardiac tissue
d)
smooth tissue
17.
Protein that gives skin its color
a)
melanocytes
b)
melanin
c)
keratin
d)
epidermis
18.
Structure of an organism and its parts
a)
anatomy
b)
physiology
c)
biology
d)
phlebotomy
19.
Disorder in which bones become thinner
a)
osteoarthritis
b)
osteoporosis
c)
multiple sclerosis
d)
fractures
20.
Type of connective tissue that is softer than bone
a)
ligament
b)
cartilage
c)
tendon
d)
joint
21.
Layer of skin containing cells that produce melanin
a)
epithelial tissue
b)
epidermis
c)
hypodermis
d)
dermis
22.
Cooperating unit of many similar cells that perform specific function
a)
tissue
b)
organ
c)
joint
d)
neuron
23.
Structure composed of several tissues that together perform a specific task
a)
cell
b)
tissues
c)
organ
d)
organ system
24.
Area where one bone meets another bone
a)
cartilage
b)
joint
c)
bone
d)
column
25.
Nerve cell
a)
dendrite
b)
axon
c)
myelin
d)
neuron
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