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Human Body Structures and Functions Flashcards | StudBud
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Human Body Structures and Functions
Human Body Structures and Functions
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1
How do pairs of skeletal muscles work together?
Both muscles relax at the same time.
Both muscles extend at the same time.
Both muscles contract at the same time.
One muscle contracts while the other relaxes.
2
The organ system that includes the heart & blood vessels and functions to move blood
Excretory System
Circulatory System
Digestive System
Respiratory System
3
The organ system that includes skeletal, smooth, & cardiac and functions to move the body
Nervous System
Muscular System
Integumentary System
Skeletal System
4
The organ system includes the stomach & intestines and functions to breakdown, absorb, & remove
Excretory System
Respiratory System
Digestive System
Circulatory System
5
Which process takes place in the large intestine?
Water is added to undigested food.
Digested nutrients are absorbed through the villi.
Enzymes are added to complete chemical digestion.
Undigested waste from food is prepared to leave the body.
6
In what organ of the body does the absorption of nutrients take place?
large intestine
small intestine
stomach
pancreas
7
Which type of muscle tires quickly during exercise?
cardiac
involuntary
smooth
skeletal
8
The alveoli are surrounded by a network of
veins
arteries
capillaries
cilia
9
The organ system that includes the kidneys & bladder and functions to remove wastes
Excretory System
Digestive System
Respiratory System
Circulatory System
10
Which connective tissue connects the bicep (muscle) to the humerus (bone)?
marrow
cartilage
ligaments
tendons
11
What is the dome-shaped muscle that plays an important role in breathing?
bronchus
diaphragm
larynx
alveolus
12
The bones of the knee are held together (not padded or cushioned) with what connective tissue?
tendons
cartilage
ligaments
marrow
13
Which type of muscle is found only in the heart?
skeletal
smooth
voluntary
cardiac
14
In which blood vessels are materials exchanged between the blood and the body cells?
veins
arteries
capillaries
lymphatic vessels
15
The organ system that includes the skin and functions to protect the body in many ways
Skeletal System
Integumentary System
Muscular System
Nervous System
16
The organ system that includes the the lungs and functions to bring in O2 and remove CO2
Respiratory System
Circulatory System
Digestive System
Excretory System
17
If a person’s blood lacked platelets, what process could not take place?
carrying oxygen to cells
clotting of blood
carrying glucose to cells
transfusing of blood
18
Which of the following systems does NOT perform the process of excretion?
digestive system
respiratory system
circulatory system
excretory system
19
What does the pigment melanin in the skin do?
surround and protect hair follicles.
produce new living cells in the epidermis.
keep water within the skin.
help protect the skin from UV radiation.
20
What type of joint is found in the elbow?
hinge
ball and socket
pivot
sliding
21
What carries needed substances to the body cells?
blood
enzymes
water
food
22
The organ system that includes the bones and joints and functions to shape and support the body
Skeletal System
Nervous System
Integumentary System
Muscular System
