A(n) is a group of organs that work together to perform a common function.
organ system
Which is an example of how the body maintains homeostasis?
by increasing thirst when cells are low on water
by decreasing thirst when cells are low on water
by shivering when it is hot
by sweating when it is cold
by increasing thirst when cells are low on water
Which shows three human body parts in order from the simplest level of organization to the most complex?
red blood cell → nervous system → bone tissue
nervous system → bone tissue → red blood cell
red blood cell → heart tissue → circulatory system
bone tissue → red blood cell → nervous system
red blood cell → heart tissue → circulatory system
An interaction of systems allows for the body to warm itself when it is cold. Which processes help the body warm up when it is cold? Check all that apply.
shivering
sweating
hair on body laying flat
goosebumps forming
hair on body standing up
shivering
goosebumps forming
hair on body standing up
Which level of organization is pictured?
cell
tissue
organ
organ system
organ
Lewis is running in a race. His muscles need oxygen. Which best describes how multiple systems interact to bring him into homeostasis?
The circulatory stem brings oxygen to the respiratory system, which delivers oxygen to the muscular system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the muscular system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the skeletal system.
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the skeletal system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the muscular system.
The hairs on Xander's arms just started lying flat against his skin. Which is most likely his internal body temperature?
35°C
36°C
37°C
38°C
38°C
Which is an organ?
heart
circulatory system
blood
muscle tissue
heart
After running, Ollie's blood pressure was high. His nervous system sensed this and sent a message to decrease heart rate and blood flow.
Which system worked together with the nervous system?
skeletal system
circulatory system
respiratory system
digestive system
circulatory system
Which levels need to be correct for cells to function? Check all that apply.
blood sugar
food intake
body water
body temperature
blood oxygen
blood sugar
body water
body temperature
blood oxygen
A
is a group of cells that have the same function.
tissue
The lungs, nose, and trachea are organs of the respiratory system. Which best describes these organs?
They deliver nutrients to the other tissues.
They deliver oxygen to the blood.
They are both used for support.
They help break down food.
They deliver oxygen to the blood.
Which is a group of tissues that work together to carry out a common function?
cell
organ
organelle
organ system
organ
Which organ systems are used to help the body shiver?
circulatory and respiratory
nervous and muscular
circulatory and muscular
respiratory and nervous
nervous and muscular
After the body has begun shivering, what explains why it would stop shivering?
When body temperature returns to normal, the respiratory system sends a message to the skeletal system to stop shaking.
When body temperature returns to normal, the nervous system sends a message to the muscular system to stop shaking.
While body temperature is below normal, the nervous system sends a message to the skeletal system to stop shaking.
While body temperature is below normal, the respiratory system sends a message to the muscular system to stop shaking.
When body temperature returns to normal, the nervous system sends a message to the muscular system to stop shaking.
Which level of organization is pictured?
cell
tissue
organ
organ system
tissue