True
False
All organisms are composed of many cells, which are the basic units of structure but do not perform life functions.
All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.
All organisms are composed of many cells that have basic units with unique structures and functions.
All organisms are composed of one or more cells with the same shape and purpose but are not the basic units of structure.
It connects to the bones
It can move voluntarily or involuntarily
It interacts with several organ systems
It is a group of cells working together
Cells
Tissues
Organ
Organ systems
An increase in heart rate
Increase in body temperature
Increase in oxygen demand
Increase in breathing rate
Rid the body of wastes
Expel food that has no nutritional value
Empty stomach when it has too much food
Remove toxic material from the stomach before it is absorbed
Control the activity level of the mammal
Guide the mammal to warmer or colder locations
maintain a stable body temperature regardless of air temperature
Regulate breathing rate, heart rate in extreme conditions
ATP
DNA
RNA
ESP
Respiratory system
Lung cells
Lung tissues
Windpipe
Digestive system send electrical messages, while the circulatory system responds to the messages
Digestive system provides structure for the body, while the circulatory system directs the movement
Digestive system removes liquid toxins from body, while the circulatory system removes the solid waste
Digestive system extracts nutrients from food, while the circulatory system transports those nutrients
Provide structure and support
Carry blood throughout the body
Provide a cover over the body tissues
Carry impulses throughout the body
Teeth
Saliva in the mouth
Enzymes in the stomach
Enzymes in the small intestine
Muscular
Digestive
Circulatory
Respiratory
Muscular and Nervous Systems
Respiratory and Digestive Systems
Nervous and Digestive Systems
Digestive and Muscular
White blood cells
Red blood cells
Platelets
Plasma
White blood cells
Red blood cells
Plasma
Platelets
True
False
In the blood
In bone marrow
In your muscles
In your brain
Produce antibodies
Kill off invading threats
They are dangerous to your body and as a result can kill you
None of the above
Digestive
Skeletal
Circulatory
Muscular
Blood pressure
Blood sugar
Heat/cold (body temperature)
Amount of water/salts body has taken in