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Human Body Systems Review
Human Body Systems Review
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7th Grade Human Body Systems -
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
Which type of blood vessels carry blood towards the heart?
capillaries
veins
heart
arteries
2
Small, round sacs in the lungs where CO2 and O2 are exchanged
Kidney
Diaphragm
Alveoli
Urethra
3
Which organ of the digestive system reabsorbs water back into the body?
gallbladder
small intestine
large intestine
rectum
4
Which of the following is the correct level of organization of the body?
cells, tissues, organ, organ systems
cells, organs, organ systems, tissues
tissues, cells, organs, organ systems
cells, tissues, organ systems, organs
5
Which of these is NOT a function of the cardiovascular (circulatory) system?
Carrying oxygen, glucose and other materials to cells
Controlling body processes be means of chemicals
Carrying waste products away from cells
Transporting cells that attack disease-causing microbes
6
What substances are produced during respiration?
carbon dioxide and red blood cells
carbon dioxide and water
oxygen and red blood cells
water and oxygen
7
Blood vessels that carry blood away from the heart are called
lymphatic vessels
veins
capillaries
arteries
8
Where can you easily find someone's pulse?
thumb
neck (carotid artery)
wrist (radial artery)
temples
9
Urine leaves the body from the bladder through this tube-like structure
Trachea
Kidney
Urethra
Diaphragm
10
The largest organ in the human body is...
bone
skin
muscle
brain
11
What is the main function of the excretory system?
To strengthen skeletal muscles
To collect and remove wastes from the body
To protect the nervous system
To bring oxygen to body cells
12
Excretory organ that works to filter wastes from the blood
Diaphragm
Urethra
Alveoli
Kidney
13
If a person's blood lacked platelets, what process could not take place?
clotting of blood
carrying oxygen to cells
transfusing of blood
carrying glucose to cells
14
What are the structures that enable the small intestine to absorb large amounts of nutrients?
liver
pancreas
gallbladder
villi
15
Which organ contains acid to aid in digestion of food?
small intestine
esophagus
stomach
anus
16
Structures that work together as part of the circulatory system include
heart and lungs
blood vessels and heart
skin and blood vessels
lungs and skin
17
Air moves into the lungs when the diaphragm muscle...
relaxes and moves up
contracts and moves down
contracts and moves up
relaxes and moves down
18
Which excretory organ eliminates water and some chemical wastes in perspiration?
liver
skin
kidneys
lungs
19
_________________ deliver oxygen to the cells of the body
white blood cells
bronchi
alveoli
red blood cells
20
What happens to cause air to be exhales from the lungs?
The lungs contract and then expand
The diaphragm relaxes and moves upward
The rib muscles contract and move outward
The chest cavity expands and grows larger
21
Which is NOT a function of the digestive system?
Absorbing food molecules into blood
Breaking down food into molecules that the body can use
Eliminating undigested wastes
Obtaining oxygen
22
The function of white blood cells is to
carry carbon dioxide
carry wastes away from body cells
fight disease
increase blood pressure
23
The role of the respiratory system is to bring what substance into the body?
oxygen
carbon dioxide
water
red blood cells
24
Which organ of the excretory system stores urine until the body is ready to eliminate it?
ureters
urea
urethra
urinary bladder
25
The process by which an organism's internal environment is kept stable
healing
respiration
homeostasis
digestion
26
What substance in the mouth contains an enzyme that begins chemical digestion?
fiber
saliva
mucus
pepsin
27
Exercise is important for cardiovascular health because it
increases blood pressure
slows the heartbeat
reduces sodium in the blood
strengthens heart muscle
28
Atherosclerosis is a condition in which
muscles in capillary walls lose their ability to contract
capillaries widen and release too much fluid
veins experience a buildup of fatty material
artery walls thicken due to a buildup of fatty materials
29
Larynx, trachea and lungs are all part of which system?
Excretory
Urinary
Respiratory
Skeletal
30
Which process takes place in the large intestine?
Digested nutrients are absorbed through the villi
Water is added to undigested food
Water is absorbed from undigested food
Enzymes are added to complete chemical digestion
31
The kidneys are part of this system that helps to remove wastes and regulate fluid...
digestive
lymphatic
cardiovascular
excretory
32
Tiny filtering structures where urine is produced in the kidneys are called
nephrons
ureters
alveoli
bronchi
33
Liquid waste removed by the urinary system is called
urine
sweat
blood
sugar
34
A group of similar cells form a...
system
organ
tissue
35
What process involves muscle contractions that move food through the esophagus?
elimination
absorption
peristalsis
mechanical digestion
36
Organs of excretion that maintain homeostasis include the kidneys, lungs, skin and
liver
bronchus
diaphragm
bladder
37
Asthma is a disorder that mainly affects which system?
Respiratory
Excretory
Skeletal
Urinary
38
Which system brings food and oxygen to body cells?
endocrine
immune
circulatory
excretory
39
The diaphragm is an organ that belongs to which system(s)?
respiratory
excretory
circulatory
digestive
40
Tube-like structure that moves air from the mouth to the lungs.
Urethra
Trachea
Kidney
Diaphragm
