Body Organization and Homeostasis
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
homeostasis
the state of maintaining a stable internal environment despite changing external conditions
Which level of organization is pictured? 1 cell 2 tissue 3 organ 4 organ system
tissue
Which is an organ? 1 heart 2 circulatory system 3 blood 4 muscle tissue
heart
Which is an organ? 1. heart 2. circulatory system 3. blood 4. muscle tissue
heart
Which is a group of tissues that work together to carry out a common function? cell organ organelle organ system
organ
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
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
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 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.
tissue
a group of cells that work together to perform a common function
organ system
a group of organs that work together to perform a common function
organ
a group of tissues that work together to perform a common function
Which levels need to be correct for cells to function? Check all that apply. blood sugar food intake body water body temperature blood oxygen
body temperature blood sugar body water
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
A(n) _________ is a group of organs that work together to perform a common function.
organ 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. 1. shivering 2. sweating 3. hair on body laying flat 4. goosebumps forming 5. hair on body standing up
shivering goosebumps forming hair on body standing up
A _______ is a group of cells that have the same function.
tissue
