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- 1. Multiple Choice
What are the main organs of gas exchange?
brain
trachea
lungs
small intestines
- 2. Multiple Choice
Which list shows the levels of organization in a
complex organism, starting from the simplest
level?
cell → organ → tissue → organ system →
organism
cell → tissue → organ → organ system →
organism
organism → organ system → organ → cell →
tissue
organism → organ → tissue → organ system →
cell
- 3. Multiple Choice
In the human body, which of the following organs
connects to the sensory organs through nerves,
allowing an individual to utilize their senses?
stomach
brain
heart
lungs
- 4. Multiple Choice
What are the main functions of the human
skeleton?
exchange of gases
support and movement
sensing the environment
digestion and excretion
- 5. Multiple Choice
The job of tendons in the muscular system is to
connect muscles to bones.
control protein synthesis.
transmit nerve signals.
repair damaged cells.
- 6. Multiple Choice
Juana plays on a soccer team and kicked the
soccer ball to her teammate. What role did her
muscles perform?
Her muscles carried blood to her legs.
Her muscles made the energy for her legs.
Her muscles stored minerals in her legs.
Her muscles moved the bones in her legs.
- 7. Multiple Choice
What is the main function of the immune system?
to stimulate the transmission of disease-fighting
enzymes
to recognize and attack disease-causing
organisms
to alert other systems in the body of foreign cells
to maintain a constant flow of blood to wounds
- 8. Multiple Choice
The respiratory system supplies oxygen to the
blood in the body, while removing carbon dioxide.
Which system directly interacts with the
respiratory system to maintain homeostasis?
the excretory system when it sends out liquid
waste as urea
the skeletal system when oxygen and glucose
around the ribs are absorbed
the nervous system when the brain regulates
the body's breathing and heart rate
the digestive system when food is broken down
for nutrients
- 9. Multiple Choice
The circulatory system interacts with the immune system to
help the body maintain homeostasis by
distributing white blood cells that attack disease
across different organs.
destroying harmful toxins.
breaking down inorganic substances that can be
used by different organs.
causing the growth of muscles.
- 10. Multiple Choice
Liquid waste is held in the bladder until the
bladder sends information to the brain to
let the brain know that the bladder is full. The
brain controls the release of this waste. Which two systems are working together in this example?
digestive and muscular
circulatory and respiratory
excretory and nervous
immune and skeletal
- 11. Multiple Choice
Which two systems work together to make your stomach growl and make you feel hunger?
respiratory and circulatory
muscular and skeletal
digestive and nervous
excretory and immune
- 12. Multiple Choice
In the small intestine, tiny food particles (nutrients) are absorbed into blood vessels. What happens to the tiny food particles in the blood vessels?
The nutrients are held together to form a solid.
They exit the body through the excretory system.
The blood vessels carry the nutrients to organs throughout the body.
They fight infection.
- 13. Multiple Choice
Which of the following organs is part of the digestive
system?
trachea
esophagus
bronchi
diaphragm
- 14. Multiple Choice
Which type of muscles are used when a person
walks?
cardiac muscles
smooth muscles
joints and tendons
skeletal muscles
- 15. Multiple Choice
Which statement best describes how the circulatory and
immune systems work together to maintain homeostasis?
The circulatory system influences the body's metabolism, and the immune system destroys it.
The circulatory system returns oxygen-poor blood back to the lungs, where the immune system adds oxygen-rich blood.
The immune system fights infections and the circulatory system transports white blood cells in the blood.
The immune system produces voluntary responses in the body, while the circulatory system produces red blood cells to fight
infections.
- 16. Multiple Choice
What is the primary role of the cardiovascular system in maintaining the body?
It signals nervous responses and hormones.
It controls growth and sexual reproduction.
It provides cells with nutrients and oxygen, while it removes waste.
It breaks down food and carbon dioxide, while it excretes mucus.
- 17. Multiple Choice
What is the product that is released by the respiratory system when a person exhales?
oxygen
carbon dioxide
nitrogen
glucose
- 18. Multiple Choice
Which of the following organs is most important for digesting food?
heart
stomach
lungs
bladder
- 19. Multiple Choice
Which system of the body directly controls heartbeat, body temperature, breathing rate, and blood pressure?
digestive
skeletal
immune
nervous
- 20. Multiple Choice
The human musculoskeletal system provides which of the following functions?
repairing vital organs
feeding vital organs
protecting vital organs
monitoring vital organs
- 21. Multiple Choice
Which two systems of the human body interact to
maintain homeostasis by utilizing white blood cells against invaders?
immune and circulatory
respiratory and cardiovascular
endocrine and immune
cardiovascular and integumentary
- 22. Multiple Choice
What is the primary function of the immune system?
to defend the body against infectious agents and other invaders
to communicate information between the systems
to extract energy from food, and deliver it to muscle groups
to organize information received from the sense organs
- 23. Multiple Choice
Skin is an example of which level of human body organization?
cell
tissue
organ
organ system
- 24. Multiple Choice
Organized groups of cells with similar structures and a common purpose are called
organ
digestion
circulation
tissue
- 25. Multiple Choice
Two or more tissue types that perform a common function for the body are called
cell
tissue
organ
organ system
- 26. Multiple Choice
What structure connects bones together at a joint?
cartilage
ligament
muscle
tendon
- 27. Multiple Choice
When a person gets too hot, warm blood moves to the surface of the skin to help reduce the person's body heat. Which system is working here to prevent overheating?
digestive
circulatory
respiratory
reproductive
- 28. Multiple Choice
When the kidneys filter out wastes, which body system is at work?
excretory
integumentary
respiratory
nervous
- 29. Multiple Choice
Which two systems work together to take nutrients from food and remove the excess as both solid and liquid waste?
digestive and excretory
respiratory and immune
reproductive and nervous
muscular and skeletal
- 30. Poll
Which science teacher would win in a cartwheel race?
Ms. Pagan
Ms. Browne
Ms. Cooper
Ms. Bakhtiari
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