Definitions
Breathing In
Inhalation
Breathing Out
Exhalation
The removal of waste substances from the body
Excretion
Name the system:
It carries materials to and from cells throughout the body
Circulatory System
Name the system:
It delivers oxygen into the bloodstream
Respiratory System
The fluids produced by digestive glands which contain enzymes that break down food into simpler substances.
Digestive Enzymes
A group of microscopic organisms without cell nuclei, many of which cause disease.
Bacteria
Strands of DNA in a protective coat, they invade living cells and cause disease
Virus
How many sections does the small intestine have?
3
Out of these two: Viruses and Bacteria
Which are living and which are non-living?
A medical procedure that primes the body’s immune system to fight specific infections
Immunization
The acid found in cell nuclei that forms the genes and chromosomes of all living things.
DNA
A white blood cell that destroys germs by releasing antibodies
Lymphocyte
Where are the vocal cords located?
Larynx
What is the heart's job?
To pump blood throughout the body
The vessels carrying blood to the heart.
Veins
Strong vessels that carry blood away from the heart to the body.
Arteries
Name the three types of blood vessels
Arteries, Veins, and Capillaries
What are harmful bacteria called?
Pathogens
What are the four chambers of the heart?
Right Atrium, Right Ventricle, Left Atrium, Left Ventricle
Tiny, finger-like projections on the lining of the small intestine which absorb digested food.
Villi
A purple-red chemical in red blood cells that is responsible for carrying oxygen
Hemoglobin
What two gases are being exchanged during gas exchange?
Oxygen and Carbon Dioxide
What is coronary circulation and why is it needed?
Coronary circulation is the heart's own private blood supply. It is needed because the blood that is being pumped through the heart is moving too fast to get all the nutrients that it needs, so the heart needs its own supply to pull nutrients from.
Name the four steps of the digestion process and what happens during each one
Digestion - Digesting the food
Absorption - Body absorbs nutrients from the food
Egestion - Body removes waste