Question

Which cells carry nutrients from food to the rest of the cells in the body?(1 point)
Responses

nerve cells
nerve cells

blood cells
blood cells

muscle cells
muscle cells

stomach cells

Answer 1

How are blood cells and stomach cells similar?(1 point)
Responses

Both secrete enzymes.
Both secrete enzymes.

Both help with digestion.
Both help with digestion.

Both help maintain homeostasis.
Both help maintain homeostasis.

Both send signals in the body.

Answer 2

Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?(1 point)
Responses

cell → tissue → organ → organ system → organism
cell → tissue → organ → organ system → organism

tissue → organ system → organ → organism → cell
tissue → organ system → organ → organism → cell

organ → organ system → cell → organism → tissue
organ → organ system → cell → organism → tissue

cell → organ → organ system → tissue → organism

Answer 3

Which statement is true?(1 point)
Responses

Bones are organ systems.
Bones are organ systems.

Bones provide shape to the body.
Bones provide shape to the body.

Bones help the heart pump blood.
Bones help the heart pump blood.

Bones are composed of a single layer

Answer 4

What is systemic circulation?(1 point)
Responses

the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood as it moves from the heart throughout the body and back to the heart

the path of blood between the heart and lungs
the path of blood between the heart and lungs

the path of blood as it moves from the head throughout the body and back to the head
the path of blood as it moves from the head throughout the body and back to the head

the path of blood between pharynx and trachea

Answer 5

Which organ in the excretory system helps get filter waste?
ureter
urethra
bladder
kidney

Answer 6

In which two organs is food broken down?(1 point)
Responses

esophagus and small intestine
esophagus and small intestine

small intestine and large intestine
small intestine and large intestine

esophagus and stomach
esophagus and stomach

mouth and stomach

Answer 7

Which component of nerve cells contains the nucleus?
axon
cell body
neuron
dendrite

Answer 8

A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?(1 point)
Responses

Her pupils grow because the muscles contract.
Her pupils grow because the muscles contract.

Her pupils grow because the muscles relax.
Her pupils grow because the muscles relax.

Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.

Her pupils shrink because the muscles relax

Answer 9

he human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Responses

Cornea
Cornea

Iris
Iris

Sclera
Sclera

Retina
Retina

Answer 10

How do polar bears maintain homeostasis in freezing cold weather? (1 point)
Responses

Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.

They hibernate in warm areas in order to heat their bodies.
They hibernate in warm areas in order to heat their bodies.

Their thick fur retains heat.
Their thick fur retains heat.

Their metabolism speeds up to produce heat.

Answer 11

Which example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses

A dog shivers when it is too cold.
A dog shivers when it is too cold.

Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.

A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.

A lizard is cold, and it moves to a sunny rock to warm up.

Answer 12

How is homeostasis achieved?(1 point)
Responses

Cells maintain internal stability.
Cells maintain internal stability.

Cells secrete stomach enzymes.
Cells secrete stomach enzymes.

Cells control involuntary movements.
Cells control involuntary movements.

Cells control voluntary movements.

Answer 13

How are muscle cells and bone cells similar?
Both gather information from the inside and outside the body
Both make it possible for you to respond to your environment by moving
Both control involuntary movements such as the beating of your heart
Both release sweat when the temperature gets too warm

Answer 14

What is the function of an organ system? (1 point)
Responses

to be a basic unit of organization with bodies
to be a basic unit of organization with bodies

to work together to do a specific job
to work together to do a specific job

to control movement in internal organs
to control movement in internal organs

to organize a group of similar cells

Answer 15

Which is most complex?(1 point)
Responses

cells
cells

organ system
organ system

organs
organs

tissues

Answer 16

Which organ of the respiratory system is located inside the lungs?(1 point)
Responses

bronchioles
bronchioles

nasopharynx
nasopharynx

trachea
trachea

larynx

Answer 17

Which organ in the excretory system filters blood?(1 point)
Responses

kidney
kidney

bladder
bladder

ureter
ureter

urethra

Answer 18

What is the term for changes in the internal or external environment that cause a response?(1 point)
Responses

signals
signals

messages
messages

nerves
nerves

stimuli

Answer 19

How do signals from sensory neurons reach motor neurons?(1 point)
Responses

Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.

Signals from sensory neurons do not get sent to motor neurons.
Signals from sensory neurons do not get sent to motor neurons.

Motor neurons signal for the body to move the signal toward them.
Motor neurons signal for the body to move the signal toward them.

Signals move from dendrite to dendrite towards motor neurons.

Answer 20

Which punctuation mark should be used to offset speech tags in a quotation?(1 point)
Responses

comma
comma

semicolon
semicolon

period
period

dash

Answer 21

blood cells

Answer 22

Both help with digestion.

Answer 23

cell → tissue → organ → organ system → organism

Answer 24

Bones provide shape to the body.

Answer 25

the path of blood as it moves from the heart throughout the body and back to the heart

Answer 26

kidney

Answer 27

mouth and stomach

Answer 28

cell body

Answer 29

Her pupils shrink because the muscles contract. This is due to the pupillary reflex, which is controlled by the autonomic nervous system. When the eyes are exposed to bright light, the muscles in the iris contract, causing the pupils to constrict and reduce the amount of light entering the eyes.

Answer 30

Iris

Answer 31

Their thick fur retains heat.

Answer 32

A lizard is cold, and it moves to a sunny rock to warm up.

Answer 33

Cells maintain internal stability.

Answer 34

Both make it possible for you to respond to your environment by moving.

Answer 35

to work together to do a specific job

Answer 36

organ system

Answer 37

bronchioles

Answer 38

kidney

Answer 39

stimuli

Answer 40

Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.

Answer 41

comma