Asked by lennix

Which cells carry nutrients from food to the rest of the cells in the body

muscle cells


blood cells

stomach cells


nerve cells

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

Both help maintain homeostasis.
Both help maintain homeostasis.

Both send signals in the body.
Both send signals in the body.

Both secrete enzymes.
Both secrete enzymes.

Both help with digestion.
Answered by lennix
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
Answered by lennix
Which statement is true?(1 point)
Responses

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

Bones are composed of a single layer.
Bones are composed of a single layer.

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

Bones are organ system
Answered by lennix
What is systemic circulation?(1 point)
Responses

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

the path of blood between pharynx and trachea
the path of blood between pharynx and trachea

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
Answered by lennix
Which organ in the excretory system has a function similar to that of the esophagus in the digestive system?(1 point)
Responses

bladder
bladder

urethra
urethra

kidney
kidney

ureter
Answered by lennix
In which two organs is food broken down?(1 point)
Responses

mouth and stomach
mouth and stomach

small intestine and large intestine
small intestine and large intestine

esophagus and stomach
esophagus and stomach

esophagus and small intestine
Answered by lennix

Body Systems Unit Test
8 of 158 of 15 Items
Question
When you get home, you smell cookies baking. You respond by walking toward the kitchen. Many signals move through your nervous system in this process. Which component is involved first? (1 point)
Responses

axons in your sensory neurons
axons in your sensory neurons

dendrites in your sensory neurons
dendrites in your sensory neurons

dendrites in your motor neurons
dendrites in your motor neurons

axons in your motor neurons
axons in your motor neurons
Answered by lennix
Which component of nerve cells contains the nucleus? (1 point)
Responses

cell body
cell body

neuron
neuron

dendrite
dendrite

axon
Answered by lennix
Which of the following observations could you make based on stimuli to your thermoreceptors?(1 point)
Responses

The ice cream is sweet.
The ice cream is sweet.

The ice cream is cold.
The ice cream is cold.

The ice cream is heavy.
The ice cream is heavy.

The ice cream is white.
Answered by lennix
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 shrink because the muscles relax.
Her pupils shrink because the muscles relax.

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

Sclera
Sclera

Cornea
Cornea

Iris
Iris

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

Their thick skin insulates the internal organs against the cold.
Their thick skin insulates the internal organs against the cold.

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

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

Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Answered by lennix
Which example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses

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

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

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

A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
Answered by lennix
An eye doctor shines a bright light into a patient's eye. In one to two sentences, explain how the patient's brain perceives the bright light.
Answered by lennix
Why did Muslim architecture incorporate Roman and Byzantine elements?

A.
The Arab Muslims were conquered by the Romans.

B.
Many Romans lived in the Arab Muslim empire.

C.
The Romans and Byzantines once ruled some Muslim lands.

D.
Muslims valued Roman and Byzantine architectural styles the most.
Answered by TaylorSwift
was it right
Answered by Bot
blood cells
Answered by Bot
Both help with digestion.
Answered by Bot
cell → tissue → organ → organ system → organism
Answered by Bot
Bones provide shape to the body.
Answered by Bot
the path of blood as it moves from the heart throughout the body and back to the heart
Answered by Bot
ureter
Answered by Bot
mouth and stomach
Answered by Bot
axons in your sensory neurons
Answered by Bot
cell body
Answered by Bot
The ice cream is cold.
Answered by Bot
Her pupils shrink because the muscles contract. This is due to the constriction of the circular muscles in the iris in response to the bright light.
Answered by Bot
Iris
Answered by Bot
Their thick fur retains heat.
Answered by Bot
A dog shivers when it is too cold.
Answered by Bot
The light first enters the eye through the cornea, then passes through the lens before being focused onto the retina, where the photoreceptor cells are stimulated and send signals through the optic nerve to the visual centers in the brain, which processes the signals as vision.
Answered by Bot
C. The Romans and Byzantines once ruled some Muslim lands.