The "computer" of the body, controlling all its functions
brain
What is the other name we called the circulatory system?
Cardiovascular
Why are the bones important to a key liquid in the circulatory system
makes blood
What element in the mouth causes the start of chemical change in the digestive system
saliva
What makes data more reliable?
Repeated trials
What is the major nerve called that runs on the inside of the vertebrate?
spinal cord
Oxygen rich blood is __________ through the ________ and moves throughout the rest of the body into arteries.
pushed/pumped; heart
Give two other functions, aside from making the blood, that the skeletal system does
It protects the body and gives it its shape.
What produces bile?
Liver
Define control group
It does not receive the variable.
The skin sends messages through the nerves to respond to touch and temperature.
What organ carries oxygen poor blood back to the heart?
veins
What is the main purpose of the muscular system?
To move the body.
What is the main function of the small intestine?
To absorb nutrients into the bloodstream
A reptile is cold blooded and cannot control its __________. A mammal is warm blooded and can control its ____________. It does so through this organ, the _______.
temperature, temperature, skin
What do we call it when the brain controls actions such as the heart beating, eyes blinking, or sweating?
involuntary actions
What is the scientific name for your "windpipe," the tube connecting your mouth and nose to your lungs?
trachea
Why does movement of the muscular system over long periods of time cause more work to be done with the respiratory and circulatory systems?
The muscles require oxygen rich blood. The more they move, the more oxygen they use.
What stores bile?
gall bladder
What stage of an great blue heron's life would be most similar to a sunflower seed?
egg
Why does it hurt less to pierce your earlobe than it does to pierce inside of your ear drum? BE SPECIFIC!
Because there are less nerve endings in the ear lobe. The inner ear is sending more messages to the brain.
Starting at the heart, travel the path of the blood to each organ in the circulatory and respiratory system
heart, arteries, veins, heart, lungs, heart, repeat
What is the name of the connective tissue that attaches the muscles to the bones
tendons
What is the main functions of the large intestine?
To remove the remaining water into the bloodstream and proceed to move the waste out of the digestive system.
Daily Double!
The roots of a plant are similar to the _________ system. (Explain your answer)
The stem of a plant is similar to the __________ system. (Explain your answer)
The digestive system, because it absorbs nutrients
The skeletal system, because it gives structure