Complete the following sentence.
0:conception
The tiny air sacs inside the lungs are called:
Complete the following sentence.
0:fertilizes
Select all of the following that are methods to prevent or avoid disease.
Select all of the following that are ways to prevent or avoid disease.
Which system is made up of glands?
The largest part of the brain is the:
Match these items.
0:cell|1:function|2:organ|3:structure|4:organ system|5:veins|6:capillaries|7:arteries
What tells the body how much sugar should be in the blood?
____________ are manufactured by the brain to help relieve pain.
Match these items.
0:blood|1:plasma|2:ventricles|3:carbon dioxide|4:atria|5:platelets|6:red blood cells|7:white blood cells
The lungs are the primary organ of the:
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