What is amylase?(1 point)

Responses

another name for the large intestine
another name for the large intestine

an enzyme that breaks down food
an enzyme that breaks down food

acid in the stomach
acid in the stomach

a nutrient absorbed in the small intestine

an enzyme that breaks down food

the waste removed by the kidney

What is urea?(1 point)

Responses

the waste removed by the kidney
the waste removed by the kidney

the tube through which waste leaves the body
the tube through which waste leaves the body

a structure in the kidney
a structure in the kidney

the tube that connects the kidney to the bladd

Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?(1 point)

Responses

esophagus
esophagus

large intestine
large intestine

small intestine
small intestine

stomach

What is a dendrite? (1 point)

Responses

It is a cell that sends signals to the body to move.
It is a cell that sends signals to the body to move.

It is the part of a neuron that carries information to the cell body.
It is the part of a neuron that carries information to the cell body.

It is the part of the neuron that carries information away from the cell body.
It is the part of the neuron that carries information away from the cell body.

It is a cell that sends signals to the central nervous system based on sensory input.
It is a cell that sends signals to the central nervous system based on sensory input.

It is the part of a neuron that carries information to the cell body.

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

Responses

stimuli
stimuli

signals
signals

messages
messages

nerves

stimuli

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

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

Signals move from dendrite to dendrite towards motor neurons
Signals move from dendrite to dendrite towards motor neurons

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

What part of the nervous system is completely protected by bone? (1 point)

Responses

central nervous system
central nervous system

interneurons
interneurons

peripheral nervous system
peripheral nervous system

sensory neurons

central nervous system

You see a mosquito land on your hand and swat at it. A signal passes through many parts of different neurons to make this happen. Which component of the nervous system is the last to be involved in this process? (1 point)

Responses

axons in motor neurons
axons in motor neurons

axons in sensory neurons
axons in sensory neurons

dendrites in sensory neurons
dendrites in sensory neurons

dendrites in motor neurons

axons in motor neurons

Which sensory receptors are involved in hearing?(1 point)

Responses

mechanoreceptors
mechanoreceptors

chemoreceptors
chemoreceptors

thermoreceptors
thermoreceptors

photoreceptors
photoreceptors

mechanoreceptors

Which sensory receptors are involved in hearing?(1 point)

Responses

mechanoreceptors
mechanoreceptors

thermoreceptors
thermoreceptors

photoreceptors
photoreceptors

chemoreceptors

mechanoreceptors

A person who has the condition CIPA is unable to feel pain or temperature. Which sensory receptors are affected by this condition?(1 point)

Responses

mechanoreceptors and chemoreceptors
mechanoreceptors and chemoreceptors

thermoreceptors and mechanoreceptors
thermoreceptors and mechanoreceptors

chemoreceptors and photoreceptors
chemoreceptors and photoreceptors

photoreceptors and thermoreceptors

thermoreceptors and mechanoreceptors

How do sensory receptors communicate a stimulus to the brain?(1 point)

Responses

muscle cells
muscle cells

electrical signals
electrical signals

corpuscles
corpuscles

pressure waves

electrical signals

Which sensory receptors detect when your shoes are too tight?(1 point)

Responses

photoreceptors
photoreceptors

thermoreceptors
thermoreceptors

mechanoreceptors
mechanoreceptors

chemoreceptors

mechanoreceptors

The eye is an organ of which major body system? (1 point)

Responses

nervous
nervous

skeletal
skeletal

muscular
muscular

integumentary

nervous

Which statement best describes the purpose of the eye?(1 point)

Responses

The eye sends images to the brain.
The eye sends images to the brain.

The eye takes in and responds to stimuli.
The eye takes in and responds to stimuli.

The eye receives and processes visual signals.
The eye receives and processes visual signals.

The eye lets in varying amounts of light.

The eye receives and processes visual signals.

What is the purpose of photoreceptors?(1 point)

Responses

They receive light and turn it into an image.
They receive light and turn it into an image.

They contract and relax to control the pupil.
They contract and relax to control the pupil.

They change light to electrical signals.
They change light to electrical signals.

They focus the light coming into the eye.
They focus the light coming into the eye.

They change light to electrical signals.

Question

In which organizational level is the eye?(1 point)
Responses

organ systems
organ systems

tissues
tissues

organs
organs

cells

organs

Question

Many parts of the eye work to focus or control light except the(1 point)
Responses

cornea.
cornea.

retina.
retina.

pupil.
pupil.

lens.

retina.

How does a marine iguana maintain homeostasis despite ingesting large amounts of salt with its food? (1 point)

Responses

Marine iguanas sneeze excess salt out of their bodies.
Marine iguanas sneeze excess salt out of their bodies.

Marine iguanas sweat a lot to get rid of the extra salt.
Marine iguanas sweat a lot to get rid of the extra salt.

Marine iguanas pass large amounts of salt through their urine.
Marine iguanas pass large amounts of salt through their urine.

Marine iguanas throw up large amounts of salt.
Marine iguanas throw up large amounts of salt.

Marine iguanas pass large amounts of salt through their urine.

How does the human body prevent internal energy levels from becoming too low?(1 point)

Responses

The nervous system transmits feelings of fullness to the digestive system, which signals metabolism to stop.
The nervous system transmits feelings of fullness to the digestive system, which signals metabolism to stop.

The brain transmits feelings of hunger to the digestive system, which initiates eating.
The brain transmits feelings of hunger to the digestive system, which initiates eating.

The digestive system transmits feelings of fullness to the nervous system, which signals metabolism to stop.
The digestive system transmits feelings of fullness to the nervous system, which signals metabolism to stop.

The digestive system transmits feelings of hunger to the brain, which initiates eating.

The brain transmits feelings of hunger to the digestive system, which initiates eating.

How does the body react to cold temperatures? (1 point)

Responses

You body sweats to make the internal temperature balanced with the external environment.
You body sweats to make the internal temperature balanced with the external environment.

Your body shivers to make the internal temperature balanced with the external environment.
Your body shivers to make the internal temperature balanced with the external environment.

Your body sweats to help it maintain homeostasis.
Your body sweats to help it maintain homeostasis.

Your body shivers to help it maintain homeostasis.

Your body shivers to help it maintain homeostasis.

Which statement describes homeostasis?(1 point)

Responses

It is a process of maintaining an internal state of balance for an organism.
It is a process of maintaining an internal state of balance for an organism.

It is how an organism reacts to internal factors.
It is how an organism reacts to internal factors.

It is a process of maintaining an external state of balance for an organism.
It is a process of maintaining an external state of balance for an organism.

It is how an organism reacts to external factors.

It is a process of maintaining an internal state of balance for an organism.

small intestine