Head Area: The nose and mouth take in oxygen that goes through the throat and into the lungs. There are 2 ways, but a little flap opens when oxygen comes in and closes right after. This is used so food doesn't get in the wrong way.
Chest Area: Capillaries in the lungs move the oxygen to the heart to pump it throughout the body.
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Answer:
1.975g
Explanation:
If you cut the block into 4 equal pieces, then: 7.9÷4 = 1.975g
Rays of light can travel through the cardboard when I hold my largest cardboard square between the light source and the wall, but because the cardboard is not very thick, the light can still pass through and create a shadow.
2b. The shadow is typically shorter.
2c. Completely no shadow 2d. The shadow is either clear or hardly there.
Do cardboard sheets block light?
Based on the precise materials and light sources that were employed, the results of the cardboard experiment frequently differ.
Keep in mind that it is generally expected that reflective materials, such as aluminum foil, and mirrors, would reflect the specified or given light.
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Answer:
calcium is not a main element of calcium . question 2 hemoglobin is a globular protein with an embedded heme group. so a transportation protein and question 3 the building blocks of proteins are amino acids.
Explanation:
