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Human Body Systems Flashcards | StudBud
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Human Body Systems
Human Body Systems
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Muscles and Skin
Flashcards
34 cards
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Practice quiz
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Questions
34
Answers
1
Which nutrients are made up of amino acids?
saturated fats
carbohydrates
unsaturated fats
proteins
2
Which process takes place in the large intestine?
Enzymes are added tocomplete chemical digestion
Digested nutrients areabsorbed through the villi
Water is added toundigested food
Water is absorbed from undigestedfood
3
What process involves muscle contractions that move food through the esophagus?
absorption
mechanical digestion
peristalsis
elimination
4
_____ muscles are striated and _____, which means the muscles move with your conscious control.
Voluntary, Skeletal
Involuntary, Skeletal
Skeletal, voluntary
Skeletal, involuntary
5
Which nutrients are originally absorbed from soil by plants?
vitamins
minerals
proteins
fiber
6
Nerves and blood vessels in the skin are located in the _______________.
Hypodermis
Dermatologist
Dermis
Epidermis
7
What substance must be present in the stomach for pepsin to work best?
hydrochloric acid
water
saliva
mucus
8
Living cells in the epidermis are located ________ (beneath/above) dead cells.
Both
Beneath
Neither
Above
9
Which organ of the excretory system stores urine until the body is ready to eliminate it?
urinary bladder
urea
ureters
urethra
10
How does the skin protect the body from disease?
Gather information
Create Vitamin D
Regulate body temperature
Keep harmful microorganisms out of the body
11
Exercise is important for muscles because it_______________.
Strengthens them
Gives calcium
Smooths them
Striates them
12
What is the main function of the excretory system?
to protect the nervoussystem
to collect and remove wastes from the body
to bring oxygen to bodycells
to strengthen skeletalmuscles
13
The involuntary muscles in your stomach that move food are an example of _______.
Cardiac
Skeletal
Voluntary
Smooth
14
Which type of human body tissue can contract, or shorten?
Bone
Muscle
Skin
Nerve
15
Muscles, bones, and nerves work together to_______________.
move
breathe
live
none of the above
16
How do pairs of skeletal muscles work together?
One contracts, the other relaxes
Chicken Pot Pie
Both contract
Both relax
17
Muscle tissue that is striated and involuntary is called ___________ muscle.
Chicken Pot Pie
Cardiac
Skeletal
Smooth
18
During exercise, the heart beats faster. How does this help the body?
more carbon dioxide
more oxygen
less water
more water
19
Which type of muscle tires quickly during exercise?
Cardiac
Skeletal
All
Smooth
20
About how much of a human’s body weight is made up of water?
20
65
10
90
21
Which excretory organ eliminates water and some chemical wastes in perspiration?
lungs
liver
kidneys
skin
22
Skeletal muscles must work in pairs because_______________.
They don't work in pairs
Chicken Pot Pie
They can only contract (move in one direction)
They move in all directions
23
The energy your body needs comes from:
brain
water
bones
food
24
Important substances (like oxygen) are carried to the body cells by ___________.
blood
water
enzymes
food
25
What carbohydrate helps your digestive system function even though your body cannot digest it?
fiber
cholesterol
glucose
starch
26
How does the skin help regulate body temperature?
Neither
Both
Sweat
Blood flow
27
Which type of muscle is found only in the heart?
Skeletal
Smooth
All
Cardiac
28
A calorie is a unit used to measure ____________.
vitamins
minerals
energy
temperature
29
Nutrients move into the bloodstream from the digestive system by a process called_____________.
Relaxation
Regulation
Assimilation
Absorption
30
In which excretory organ is urea produced?
lungs
skin
kidneys
liver
31
One role of fats is to:
form part of the cellmembrane
form proteins
break down nutrients
act as helper molecules
32
Which nutrient is needed in order for all body processes to take place?
water
vitamins
fats
carbohydrates
33
What structure(s) enable(s)the small intestine to absorb large amounts of nutrients?
villi
liver
gallbladder
pancreas
34
What substance in the mouth contains an enzyme that begins chemical digestion?
mucus
saliva
fiber
pepsin
