What happens when the breathing rate increases in humans?

More oxygen will enter the blood

Which body structure is correctly paired with the body system?

The trachea & lungs are part of the respiratory system

With what function is the nervous system of the body most directly involved?

Control of bodily function and movement

Why do multicellular organisms need transport systems?

Cells inside the organism need to exchange substances with those outside

An amoeba is a single celled organism. What best describes its ability to survive as a single cell?

An amoeba can perform all life processes with a single cell

In multicellular organisms, not all cells have direct contact with the external environment. Which would be a solution?

The organisms have transport systems

How does the human respiratory system interact with the circulatory system?

By bringing oxygen into the blood in the lungs

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Unit 1 Human Body Test

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Cells & Human Body Systems 2019-2020

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Questions 21

Answers

1
Which do muscles interact with to accomplish locomotion in animals?
nerves
heart
lungs
skeleton
2
Which system is responsible for getting nutrients in the body?
Circulatory System
Digestive System
Muscular System
Respiratory System
3
Which organ is attached to the correct body system?
skull & respiratory system
brain & nervous system
heart & digestive system
lungs & circulatory system
4
Which body system includes the esophagus, mouth, & small intestines?
Nervous System
Respiratory System
Digestive System
Circulatory System
5
Which 2 systems work together to help the survival of humans by creating shelter, picking up objects, & gather food?
Muscular & Skeletal
Circulatory & digestive
Digestive & muscular
Skeletal & Circulatory
6
What happens when the breathing rate increases in humans?
Carbon dioxide will not be absorbed in the blood
More carbon dioxide will enter the blood
More oxygen will enter the blood
Oxygen will be absorbed in the blood
7
Which body structure is correctly paired with the body system?
Tendons & ligaments are part of the skeletal system
Arteries & veins are part of the nervous system
Small intestines and esophagus are part of the muscular system
The trachea & lungs are part of the respiratory system
8
Unicellular & multicellular organisms would both perform which processes?
Specializing cells and taking in nutrients
Migrating & finding shelter
Making food & removing waste
Growing & reproducing
9
Which of the following is a function of the human bones?
Produce blood cells
Remove harmful toxins from the blood
Transmit impulses
Regulate body temperature
10
Where does the exchange of oxygen & carbon dioxide occur?
nose
esophagus
mouth
lungs
11
With what function is the nervous system of the body most directly involved?
Movement of blood through the body
Control of bodily function and movement
Exchange of materials through blood cells
Elimination of body waste
12
Which system controls all other systems in the body?
Digestive System
Circulatory System
Respiratory System
Nervous System
13
Why do multicellular organisms need transport systems?
Cells inside the organism are unable to survive outside
Cells inside the organism need to exchange substances with those outside
Cells inside the organism are larger than cells outside the organism
Cells inside the organism need more energy than those outside the organism
14
An amoeba is a single celled organism. What best describes its ability to survive as a single cell?
The body of an amoeba is simple & microscopic in size
An amoeba can perform all life processes with a single cell
The cell is exposed to the environment on all sides
An amoeba can move & find it's own food easily
15
What do most single & multi celled organisms have in common?
Having only 1 cell
Having different cells that perform different processes
Ability to consume organisms
Ability to become large in size
16
Unicellular & multicellular organisms have several things in common. Which is an example?
creation of specialized tissues
Use of developed transport
all life processes occurring in all cells
Intake of nutrients for growth
17
What vessels are responsible for transporting blood to the heart?
Arteries
Capillaries
Veins
Valves
18
In multicellular organisms, not all cells have direct contact with the external environment. Which would be a solution?
The organisms have muscular systems
The organisms have skeletal systems
The organisms have transport systems
The organisms have digestive systems
19
In which 2 systems of the human body does most gas exchange occur?
Respiratory & excretory
Excretory & circulatory
Respiratory & circulatory
Circulatory & digestive
20
Which type of cell is a complete organism that can live on it's own?
White blood cell
Red blood cell
Skin
Bacterial
21
How does the human respiratory system interact with the circulatory system?
By taking liquid waste from the heart into the digestive system
By removing blood from lungs when needed
By bringing oxygen into the blood in the lungs
By taking in air directly from the

Unit 1 Human Body Test Flashcards | StudBud