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LE Human Body Systems Review
LE Human Body Systems Review
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The basics of human body systems for passing the LE regents exam
Flashcards
31 cards
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Questions
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Answers
1
Which structure is responsible for carrying O2 to cells and CO2 away from cells?
Red blood cells
Plasma
White blood cells
Platelets
2
Wastes removed by the excretory system include all of the following except
Salts from sweating
Nitrogen waste from the kidneys
CO2 from the lungs
Solid waste from the digestive system
3
Why must food be broken down?
Because only some of it is usable
Because we only use a small amount of the food we eat
Because it must be small enough to diffuse into the blood
4
The main function of the kidney is to
Exchange nitrogen gas
Filter waste from the blood
Get rid of excess water
Absorb nutrients from food
5
The main function of the excretory system is to
Remove solid waste from the body
Remove metabolic waste from the body
Remove excess water from the body
Remove pathogens from the body
6
All of the substances below are examples of hormones EXCEPT
Estrogen
Glycogen
Insulin
Testosterone
7
The primary function of platelets is to
No function- platelets are just dead cells
Immobilize pathogens
Purify the blood
Form clots to heal wounds
8
Some people cannot make insulin or their cells do not respond to insulin. What disease is this?
Dwarfism
SARS
Endometriosis
Diabetes
9
White blood cells are responsible for which of the following functions?
All of the above
Recognizing and remembering pathogens
Making antibodies
Attacking bacteria and viruses
10
Which 2 body systems work together to deliver oxygen to all cells and remove CO2 from cells
Circulatory and Respiratory
Respiratory and Digestive
Respiratory and Endocrine
Circulatory and Digestive
11
Which of the following is NOT an organ of the digestive system?
Intestines
Stomach
Kidneys
Esophagus
12
Which system helps the human body fight disease?
Immune
Nervous
Digestive
Endocrine
13
The respiratory system consists primarily of your lungs and is responsible for
Gas Exchange
Regulation
Digestion
Respiration
14
Nerve cells use both electrical signals and these chemicals to send messages across the body
Antibodies
Nucleic Acids
Neurotransmitters
Hormones
15
The endocrine system consists of many glands throughout the body that secrete these chemicals
Neurotransmitters
Receptors
Hormones
Antibodies
16
The intake of one gas and the removal of a second gas is referred to as
Gas Exchange
Intubation
Respiration
Diffusion
17
The function of the heart is to
Pump blood throughout the body
Filter blood
Absorb glucose
Create electrical impulses to send messages
18
The pancreas secretes chemicals that aid the process of digestion. These chemicals are called
Antibodies
Enzymes
Hormones
Receptors
19
The two systems that help to regulate all body conditions are
Endocrine and Excretory
Nervous and Excretory
Nervous and Endocrine
Endocrine and Immune
20
The main function of the digestive system is to
Move nutrients throughout the body
Get rid of waste
Break down food and absorb nutrients
Give the body energy
21
This system includes blood, blood vessels (arteries, veins, capillaries), and the heart.
Endocrine
Respiratory
Circulatory
Digestive
22
Gas 1
enters the human body through the lungs and
Gas 2
exits the human body through the lungs
Gas 1 = Carbon dioxide, Gas 2 = Nitrogen
Gas 1 = oxygen, Gas 2 = carbon dioxide
Gas 1 = nitrogen, Gas 2 = oxygen
Gas 1 = oxygen, Gas 2 = nitrogen
23
What process allows gases to move from the blood to lungs and from cells to the blood?
Active Transport
Respiration
Osmosis
Diffusion
24
Hormones travel through the blood and affect ONLY target cells that have appropriate
Receptors
Antibodies
Channel Proteins
Carbohydrates
25
Organ systems are constantly working together to maintain
metabolism
nutrition
respiration
homeostasis
26
Blood is made of all of the following except
Red blood cells
White blood cells
Platelets
Bile
27
The pancreas secretes the hormone insulin. Insulin helps regulate blood sugar by
Telling the brain that you are hungry
Telling cells to absorb glucose from the blood
Lowering your metabolism
Telling cells to release glucose into blood
28
The human body has groups of organs that work together to carry out a job. These are called
organ systems
organelles
tissues
organism
29
The main function of the circulatory system is to
Transport nutrients to cells, only
Transport nutrients to cells and wastes away from cells
Transport wastes away from cells, only
None of the above
30
The nervous system is made up of the brain, the spinal cord, and these cells
Beta
Neurons
Nerves
Macrophages
31
Which body system is primarily responsible for the life function of nutrition?
Nervous
Digestive
Circulatory
Excretory
