NEW
Font size
S
M
L
XL
WorksheetsBody Systems
Total questions: 80
Worksheet time: 40mins
Name
Class
Date
1.
___ system is responsible for secreting the hormones that help integrate the body's activities
a)
endocrine
b)
circulatory
c)
integumentary
d)
nervous
2.
The organ system of the human body that eliminates metabolic wastes from the bloodstream is the ___ system
a)
urinary
b)
digestive
c)
lymphatic
d)
respiratory
3.
Which body system covers the body and includes skin, hair, and nails?
a)
itegumentary
b)
endocrine
c)
skeletal
d)
circulatory
4.
Walking and lifting objects all require this type of muscle.
a)
skeletal
b)
smooth
c)
cardiac
5.
Each of the following is a cell type of connective tissue EXCEPT ___.
a)
neurons
b)
lymphocytes
c)
osteoblasts
d)
erythrocytes
6.
Muscle contraction occurs because ___
a)
myosin filaments contact and pull on actin filaments
b)
actin filaments are elastic
c)
creatine phosphate stimulates muscles cells with an action potential.
d)
ATP pulls on Z lines.
7.
Special bone cells, called ___, are responsible for laying down new bone.
a)
osteoblasts
b)
osteoclasts
c)
myocytes
d)
fibroblasts
8.
Myofilament contraction in muscle cells is powered by what molecule?
a)
ATP
b)
Hydroxyapatite
c)
water
d)
oxygen
9.
The tiny gap that separates two neurons from each other is called a(n) ___.
a)
synapse
b)
cell body
c)
axon
d)
neuron
10.
____ are found in soft-bodied invertebrates, such as earthworms and jellyfish
a)
Hydraulic skeletons
b)
Exoskeletons
c)
Endoskeletons
d)
Exoskeletons
11.
____ are chemicals secreted into the space between two nerve cells to transmit a message
a)
neurotrasmitters
b)
hormones
c)
glia
d)
synapses
12.
The outer layer of bone, referred to as ___, is dense and strong
a)
compact bone
b)
spongy bone
c)
cortex
d)
the medulla
13.
The attachment site of a muscle to a bone that is moved is known as a(n) ___.
a)
insertion
b)
origin
c)
flexor
d)
ligament
14.
____ are a type of connective tissue cell that secrete collagen fibers, and are active in wound healing
a)
fibroblasts
b)
bone cells
c)
erythrocytes
d)
cartilage cells
15.
__ is only a single cell layer thick which lines the major body cavities and functions in absorption and secretion
a)
Simple epithelium
b)
Columnar epithelium
c)
Cuboidal epithelium
d)
Stratified epithelium
16.
The portion of a nerve cell that carries nerve impulses away from the cell is the ___.
a)
axon
b)
dendrite
c)
glia
d)
cell body
17.
Muscle cells are unique because of the contractible protein fibers, called ____, within them
a)
myofilaments
b)
tropomyosin
c)
sarcoplasmic reticulum
d)
collagen fibers
18.
Which of these is not a characteristic of an open circulatory system?
a)
Blood is enclosed within blood vessels
b)
There is no distinction between blood and extracellular fluid
c)
Contains hemolymph
d)
Found in mollusks and arthropods
19.
Exchange of nutrients and gases between tissue cells and the blood takes place through the walls of ___
a)
capillaries
b)
arterioles
c)
veins
d)
all are correct
20.
How do veins prevent the backflow of blood within them?
a)
They possess flaplike valves
b)
They are capable of contracting
c)
Because of the tiny lumen inside them
d)
By having thick, muscular walls
21.
Blood contains all of the following EXCEPT ___
a)
lymph
b)
erythrocytes
c)
plasma
d)
platelets
22.
The ___ system is responsible for absorbing oxygen into the bloodstream
a)
respiratory
b)
integumentary
c)
endocrine
d)
immune
23.
A sweat gland which secretes fluid via a duct is considered a ___ gland.
a)
exocrine
b)
endocrine
c)
simple
d)
stratified
24.
Each of the following is a function of the connective tissues EXCEPT ___.
a)
prevent water loss
b)
defense against microbes
c)
transport of oxygen
d)
storage of energy in fa
25.
The sites of new bone formation at the ends of bones in young people are called ___.
a)
growth plates
b)
compact bone
c)
spongy bone
d)
skeletal epiphyses
26.
Connective tissue includes erythrocytes.
a)
true
b)
false
27.
During the process of muscle contraction, energy is supplied directly by glucose in the muscle cells.
a)
true
b)
false
28.
Sweat glands are part of the urinary system.
a)
true
b)
false
29.
The abdominal cavity contains the ___.
a)
stomach
b)
heart
c)
lung
d)
all are correct
30.
Cells, matrix and fibers are principal components of which tissue type?
a)
Connective
b)
Muscle
c)
Epithelial
d)
Nervous
31.
Which of the following is mismatched?
a)
exoskeleton - vertebrates
b)
hydraulic skeleton - earthworm
c)
endoskeleton - echinoderms
d)
exoskeleton - crustaceans
32.
A disease of the bones resulting in excessive bone loss especially in Caucasian women
a)
Osteoporosis
b)
Fasciitis
c)
Fibromyalgia
d)
Leukemia
33.
The sliding filament theory involves the ___ system.
a)
muscular
b)
nervous
c)
immune
d)
integumentary
34.
Which valve in the human heart prevents oxygenated blood from going back into the left atrium from the left ventricle?
a)
Bicuspid (mitral) valve
b)
Aortic semilunar valve
c)
Tricuspid valve
d)
Pulmonary semilunar valve
35.
Which vitamin is important in the production of clotting factors?
a)
Vitamin K
b)
Vitamin C
c)
Vitamin B
d)
Vitamin A
36.
Which animal has an open circulatory system?
a)
insect
b)
human
c)
crocodile
d)
whale
37.
Vertebrates have a closed circulatory system.
a)
true
b)
false
38.
Mollusks and arthropods have closed circulatory systems.
a)
true
b)
false
39.
The sinoatrial node initiates contraction of the heart.
a)
true
b)
false
40.
Which animal has a gastrovascular cavity?
a)
Cnidarians, such as Hydra
b)
Mollusks, such as clams
c)
Vertebrates, such as fish
d)
Arthropods, like insects
41.
___ is caused by hypertension and increased cholesterol levels causing an accumulation of fats on the inner walls of the arteries.
a)
atherosclerosis
b)
heart murmur
c)
erythrocytosis
d)
Purkinje fibrosis
42.
After blood flows through the right ventricle of the human heart, its next major destination is to ___.
a)
the lungs.
b)
the systemic system.
c)
the arms
d)
the left ventricle.
43.
Thrombocytes ___.
a)
clot blood
b)
are important in the immune response.
c)
carry carbon dioxide in the blood.
d)
produce hemoglobin
44.
Macrophages, neutrophils, and lymphocytes are different types of white blood cells, or
a)
leukocytes.
b)
thrombocytes
c)
erythrocytes
d)
platelets.
45.
___ are the blood cells that carry oxygen throughout the body.
a)
Erythrocytes
b)
Leukocytes
c)
Thrombocytes
d)
Platelets
46.
Put the terms in the correct order from the heart to the body and back to the heart.
a)
arteries → arterioles → capillaries → venules → veins
b)
venules → arterioles → capillaries → veins → arteries
c)
veins → venules → capillaries → veins → arteries
d)
arteries → venules → veins → arterioles → capillaries
47.
Some vertebrates, like whales, limit heat loss in a cold environment using ___.
a)
counter-current heat exchange.
b)
a gastrovascular cavity.
c)
fibrinogen.
d)
valves in the veins.
48.
The average lifespan of a red blood cell is approximately ___.
a)
120 days
b)
15 days
c)
30 days
d)
60 days
49.
A sphygmomanometer is used to ___.
a)
monitor blood pressure
b)
diagnose atherosclerosis
c)
measure oxygenation of blood
d)
listen to the heart
50.
The function of the epiglottis is to ___.
a)
cover the trachea when food is being swallowed.
b)
produce sound.
c)
separate the thoracic cavity from the abdominal cavity.
d)
draw air into lungs
51.
As carbon dioxide levels rise the blood becomes more acidic.
a)
true
b)
false
52.
Which of the following is necessary for the production of hemoglobin?
a)
all are correct
b)
heme
c)
iron
d)
protein
53.
What separates the thoracic cavity from the abdominal cavity?
a)
The diaphragm
b)
The pleural membrane
c)
The trachea
d)
The bronchus
54.
What is the function of surfactant?
a)
reduces surface tension
b)
converts carbon dioxide into bicarbonate
c)
constricts bronchi during coughing
d)
converts carbon dioxide into bicarbonate
55.
Which of the following is not a class of tissue?
a)
Cartilage
b)
Nervous
c)
Blood
d)
Muscle
56.
The structures of the vertebrate lung through which gases are exchanged with the blood are the ___.
a)
alveoli.
b)
pleural membrane.
c)
bronchi.
d)
bronchioles.
57.
During inhalation, air flows into the lungs because ___.
a)
expanding the thoracic cavity decreases the pressure in the lungs.
b)
the pressure in the lungs is greater than the atmospheric pressure.
c)
air moves passively in and out of the lungs through time.
d)
the surfactant in the lungs "draws" in air because of its adhesive properties.
58.
Hypertension is a term used to describe ___.
a)
high blood pressure
b)
low blood pressure
c)
fat buildup in the arteries
d)
unusual heart sounds
59.
An ECG measures ___
a)
electrical activity of the heart
b)
myocardial infarctions
c)
cholesterol levels
d)
blood pressure
60.
Most lung cancers involve ___.
a)
mutation of the p53 gene
b)
exposure to allergens
c)
bacterial infections.
d)
constriction of bronchi
61.
Production of energy by animals is in effect a process that utilizes ____ and produces ____.
a)
oxygen; carbon dioxide
b)
N2; carbon
c)
nitrogen; H2O
d)
carbon dioxide; oxygen
62.
During normal exhalation, air leaves the lungs because ___.
a)
the diaphragm and chest muscles relax, decreasing the volume of the chest cavity and making air pressure greater inside the lungs than outside so it flows outward.
b)
there is more carbon dioxide inside the lungs than outside so air flows outward by diffusion.
c)
the strong chest muscles force air out by squeezing the chest cavity and decreasing the air pressure inside the lungs.
d)
air currents outside the body draw air out of the lungs in a process called transpiration.
63.
Most of the carbon dioxide in the blood is transported ___.
a)
as bicarbonate dissolved in the plasma
b)
as dissolved carbon dioxide in the RBCs
c)
bound to oxygen
d)
carbon dioxide is not transported in blood
64.
Where are the blood cells formed in the body?
a)
bone marrow
b)
liver
c)
heart
d)
pancreas
65.
Cancers of the white blood cells are known as ___.
a)
Leukemia
b)
Thrombocytopenia
c)
Erythema
d)
Leukopoiesis
66.
Blood plasma is 90% water.
a)
True
b)
False
67.
Which mineral is necessary in the production of hemoglobin?
a)
iron
b)
calcium
c)
sodium
d)
magnesium
68.
The major vessel carrying oxygenated blood from the heart to the body is known as the ___
a)
aorta
b)
vena cava
c)
brachial artery
d)
pulmonary artery
69.
The pressure inside the arteries during a heart contraction is known as the ___ pressure.
a)
systolic
b)
diastolic
c)
mercury
d)
pulse
70.
The inner layer of the heart is known as the ___.
a)
endocardium
b)
pericardium
c)
myocardium
d)
epicardium
71.
The characteristic lubb dubb sounds of the heart are generated by ___.
a)
closing of the heart valves
b)
rushing of the blood through vessels
c)
bumping of the heart against the lungs
d)
the filling of the heart with blood
72.
Without oxygen it is impossible to produce ATP.
a)
False
b)
True
73.
Emphysema is a type of chronic obstructive pulmonary disease.
a)
true
b)
false
74.
Gas exchange occurs in the ___.
a)
alveoli
b)
pharynx
c)
bronchi
d)
brochioles
75.
As the volume in the lungs decreases the pressure within them ___.
a)
increases
b)
remains unchanged
c)
decreases
76.
Suction is due to a positive pressure.
a)
false
b)
true
77.
One thing all animals have in common when it comes to respiration is that they all require ___
a)
moisture
b)
partitions
c)
alveoli
d)
lungs
78.
Terrestrial arthropods use ___ to allow air into their bodies.
a)
spiracles
b)
gills
c)
lungs
d)
moist body walls
79.
Which of the following possess gills?
a)
all of these are correct
b)
fish
c)
starfish
d)
crabs
80.
In mammals, the lungs are surrounded by a ___ filled with fluid which provides a suction cup-like action adhering the lungs to the rib-cage.
a)
pleural membrane
b)
operculum
c)
diaphragm
d)
bronchus
Reset
