Nutrition
Digestion
Heart
Circulation
Respiratory
100
This type of animal eats only plant matter.
What is an herbivore?
100
This is another word for eating.
What is ingestion?
100
This is the name of the upper chambers of the heart?
What are atria?
100
These vessels always carry blood away from the heart.
What are arteries?
100
This is one of the gases exchanged by the respiratory system.
What are Oxygen and Carbon Dioxide?
200
This is the unit used to measure energy stored in your food.
What is the kilocalorie?
200
This is the part of the digestive system that is often affected by ulcers.
What is the stomach?
200
This is the function of the heart.
What is to act as a pump?
200
This is the type of circulatory system an insect has.
What is an open circulatory system?
200
Fish use these structures as their respiratory surfaces.
What is are gills?
300
This is the sum of all the chemical reactions in the body.
What is metabolism?
300
This is the digestive organ where the majority of absorption takes place.
What is the small intestine?
300
The pulmonary circulation carries the blood between the heart and this organ.
What is the lungs?
300
These blood vessels are the leakiest.
What are capillaries?
300
This is the another name for the windpipe.
What is the trachea?
400
These are organic molecules that function as assistants to enzymes.
What are vitamins?
400
These are the enzymes that catalyze chemical digestion.
What are hydrolases?
400
This is the name for the contraction cycle of the heart.
What is systole?
400
These components of blood are used in clotting.
What are platelets?
400
This is another name for the air sacs found in the lungs.
What are the alveoli?
500
This is the name for the type of amino acid that is required by the body but not made by the body.
What is essential?
500
This is the name of the involuntary, wave-like contraction that moves food through the digestive system.
What is peristalsis?
500
This is the name for the patch of tissue in the heart that regulates the heart beat.
What is the sinoatrial node?
500
This is the the vessel that returns blood from the lungs back to the heart.
What is the pulmonary veins?
500
This is what happens when blood oxygen levels increase.
What breathing depth and rate increases?