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2022 Life Science Final #3

Across
These take blood toward the heart
Major artery that leaves the heart
This carries oxygen in the blood
People used to think that blood was made by the _____
Waste product produced when the body digests proteins
The enzyme in your saliva breaks down ____
This is made by the liver and helps us digest fats
Tube that carries urine from the bladder out of the body
This system contains 206 bones
The ___ arteries and veins go to and from the kidneys
This gives your skin its color
Tube that carries urine from the kidney to the bladder
Down
This causes a response from the immune system
Another name for the large intestine
Wave like motion that moves food through the digestive system
Groups of tissues working together
Antibodies are special _____
Outer layer of skin
Circular muscles that regulate flow of food in the digestive system
These cells help blood clot
Cardio is a Greek word that means ______
Blood returning from the body to the heart enters the ____ atrium
This circuit moves blood between the heart and lungs
Inner layer of skin
He developed the first vaccine
Longest bone in the body