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Structures and Functions of the Body

Total questions: 21

Worksheet time: 25mins

Name
Class
Date
1.
What two body systems are interacting in the above diagram?
a)
Integumentary-excretory
b)
Digestive-circulatory
c)
Nervous-endocrine
d)
Respiratory-circulatory
2.
One of the functions of the endocrine system in the body is to —
a)
circulate blood to all parts of the body
b)
collect waste products and remove them from the body
c)
provide a strong framework for the body
d)
produce enzymes to help digest food
3.
The nervous system of the human organism is most like which cell organelle?
a)
Mitochondrion
b)
Nuclues
c)
Cytoplasm
d)
Chloroplast
4.
Two body systems work together to help remove waste products from blood. What are these two systems?
a)
Circulatory and excretory
b)
Skeletal and digestive
c)
Circulatory and integumentary
d)
Muscular and excretory
5.
The main function of the excretory system is to ―
a)
produce enzymes to help digest food
b)
collect and remove waste products from the body
c)
prevent disease and fight infections
d)
carry oxygen and nutrients to the body’s cells
6.
How do gills of fish help their survival?
a)
Gills allow fish to break down water into oxygen and hydrogen.
b)
Gills allow fish to process energy quicker so they can move faster.
c)
Gills allow fish to breathe in air and water.
d)
Gills allow fish to use the oxygen dissolved in the water.
7.
What is the major role of red blood cells in the circulatory system?
a)
Carry nutrients and oxygen to body cells
b)
Prevent disease and fight infections
c)
Carry digestive juices to the stomach
d)
Send chemical messages to the nervous system
8.
Which of the following adaptations helps birds fly?
a)
They have more fat than most animals, so they can fly for long distances.
b)
They have hollow bones, so they are lighter.
c)
They have smaller blood vessels, so their hearts have to work less in flight.
d)
They have a larger stomach, so they can absorb food faster.
9.
What process is illustrated in the above diagram?
a)
Photosynthesis
b)
Gas exchange
c)
Pumping blood
d)
Gas deposition
10.
Ovaries produce and secrete hormones in addition to eggs. To what human body systems do ovaries belong?
a)
Integumentary and reproductive
b)
Excretory and muscular
c)
Endocrine and reproductive
d)
Nervous and digestive
11.
Which statement best describes the function of the human body system in the above diagram?
a)
Breaks down food into nutrients and wastes
b)
Supplies O2 to the blood, which in turn, delivers O2 to all parts of the body
c)
Provides support and movement for the body
d)
Produces and secretes hormones which regulate metabolism, growth, and development
12.
The main function of the muscular system is ―
a)
support of the body
b)
break down of food
c)
movement of the body
d)
removal of waste
13.
What purpose does the xylem in a plant serve?
a)
Transportation of food and nutrients
b)
Transportation of water and minerals
c)
Anchors the plant in the ground
d)
Transforms energy through photosynthesis
14.
The largest human body organ, which regulates temperature and serves as a barrier against harmful microorganisms, belongs to the —
a)
circulatory system
b)
nervous system
c)
digestive system
d)
integumentary system
15.
Which two body systems represented in the diagram above help the body to breakdown molecules and absorb nutrients, and exchange oxygen and carbon dioxide?
a)
Respiratory and reproductive
b)
Muscular and skeletal
c)
Digestive and respiratory
d)
Circulatory and endocrine
16.
The human body has specialized organs which collect and process substances from the blood. The concentrated substances are then secreted as hormones to regulate body processes.

These specialized organs are called —
a)
ducts
b)
glands
c)
organelles
d)
nodes
17.
What is the original source of O2 shown in the alveoli in the above diagram?
a)
Heart
b)
Inhaled Air
c)
Nasal Passages
d)
Exhaled Air
18.
Which science tool would be appropriate for the close observation of the inside of a bird bone?
a)
Thermometer
b)
Petri dish
c)
Hand lens
d)
Balance
19.
The cell wall is most like which organ system?
a)
Nervous
b)
Excretory
c)
Respiratory
d)
Integumentary
20.
Students who participated in a frog dissection investigation must clean up their lab area. How should they dispose of their frog and its organs?
a)
Place the frog and its organs in the trash can
b)
Follow the teacher’s instructions for disposal
c)
Place the frog and its organs in a bag and carry it home
d)
Leave the frog in their lab area for the next group of students
21.
Some students are participating in a frog dissection to better understand the structure and function of systems in living organisms. Which safety equipment is required to participate in the dissection investigation?
a)
Apron
b)
Goggles
c)
Gloves
d)
Mask