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Human Systems Exam – Read each question carefully, choose the best answer and
record ALL answers on your answer sheet. Do Not Write on this TEST.
1. A human tissue is composed of a
group of
a) similar cells working together
b) different organs working
together
c) organ systems working
together
d) organelles within a cell
working together
2. The main function of the human
digestive system is to
a) carry nutrients to all parts of
the body
b) exchange oxygen and carbon
dioxide in the lungs
c) break down foods for
absorption into the blood
d) release energy from sugars
within the cells
3. Running is an activity that causes
the cells in the muscular system to
use oxygen at a faster rate. Which
system responds by delivering more
oxygen to these cells?
a) digestive
b) nervous
c) endocrine
d) circulatory
4. The kidneys, which remove
dissolved wastes from the blood,
are organs of the
a) endocrine system
b) excretory system
c) skeletal system
d) nervous system
5. Which human organ system is
shown below?
a) Nervous
b) Digestive
c) Circulatory
d) Respiratory
6. The basic life functions of an
organism are carried on by:
a) cells
c) atoms
b) nutrients
d) hormones
7. During which process do cells use
oxygen to release stored energy?
a) photosynthesis
b) respiration
c) circulation
d) digestion
8. Which outcome is most likely if a
person regularly consumes more
Calories than is needed for daily
activities?
a) weight loss
b) weight gain
c) infectious disease
d) pregnancy
9. The interaction of the skeletal and
muscular systems to produce
movement is coordinated by which
human body system?
a) circulatory
b) excretory
c) nervous
d) respiratory
14. Which human body systems are
directly involved in reflex actions,
such as blinking or jumping when
startled?
a) circulatory and respiratory
b) digestive and excretory
c) nervous and muscular
d) reproductive and skeletal
10. Scurvy is a disease that sailors
often got on long voyages. It was
discovered that scurvy would be
prevented by eating oranges and
lemons. This suggests that scurvy
is a disease caused by
a) exposure to sea air
b) not eating correct foods
c) a microorganism
d) lack of exercise
15. Where in the body would you NOT
expect to find muscles at work?
a) in your skin
b) in your stomach
c) in your heart
d) in your arm
11. A broken bone heals through the
process of
a) cell division
c) mutation
b) adaptation
d) digestion
12. Which human organ system
produces hormones to regulate
growth, development, and
reproduction?
a) circulatory
c) digestive
b) nervous
d) endocrine
16. What organs make up the central
nervous system?
a) brain and heart
b) brain and vertebrae
c) brain and spinal cord
d) spinal cord and vertebrae
17. What are 2 of the functions
performed by the body system
pictured below?
13. Three different cells are shown
below:
Which process occurs in all of these?
a) metamorphosis
b) locomotion (movement)
c) reproduction
d) photosynthesis
a) controls and coordinate body
activities
b) produce and excrete waste
products
c) protect and support the body
d) produce and transport oxygen
within the body
18. Which diagram below represents one type of human tissue? (diagrams are
not drawn to scale.)
19. The diagram below shows a life process taking place within a cell. Which
life process is shown?
a) reproduction
b) digestion
c) respiration
d) locomotion
20. The chart below identifies the function of several organs found in a human
body system
Which human body system performs these functions?
a) skeletal
b) digestive
c) respiratory
d) circulatory
21-23 Use the terms below to complete the sequence of the levels of
organization in a multicellular organism.
Organs
Organ systems
Tissues
Cells
#21
#22
#23
multicellular organism
24-28 Complete the table below by identifying the human organ system that
performs each function listed. The first row has been completed.
Base your answers to questions 29 and 30 on the diagram below and on your
knowledge of science. The diagram represents a human organ system. The
arrows show the direction of blood flow. Letters A and B represent locations in
this system.
29. Identify the human organ system responsible for the movement of blood
shown in the diagram.
30. State one reason why the blood at location B contains more oxygen than the
blood at location A.
Short essay- Choose 2 human body systems that work together closely and
write a paragraph describing how each system helps the other system function
properly.
Human Systems – Answer sheet
Name ______________________
_____1.
21._________________
_____2.
22._________________
_____3.
23._________________
_____4.
24._________________
_____5.
25._________________
_____6.
26._________________
_____7.
27._________________
_____8.
28._________________
_____9.
29._________________
_____10.
30.
_____11.
_____12.
_____13.
_____14.
_____15.
_____16.
_____17.
_____18.
_____19.
_____20.
Please answer the short essay on the back. It counts double.