Answer:
Phagocytosis
Explanation:
Both macrophages and neutrophils are phagocytes, this means that they engulf large cells (up to 0.5 µm) to kill them, or small particles in order to eliminate them from the circulation.
Phagocytes can be used to acquire nutrients but their most important task is to kill invading pathogens as a part of the immune system.
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Not a physical change, It's a chemical change because you can't change the process back to its original state. If it was a physical change, you could change it back to its original state using the boiling, evaporating or melting process.
Many health authorities recommend that Americans consume within <u>10-25% </u>of their total calories from carbohydrate.
<u>Explanation:</u>
According to reports from the Food and Nutrition Board presenting dietary reference values for Americans are:
- For adults: 45 to 65% of the calories should be taken from carbohydrates, 20 to 35% from fat and 10 to 35% from protein.
- Keeping weight aside the adults and children can reach a total of nearly one hour of reasonably intense physical activity each day in order to sustain cardiovascular health.
- Added sugars must not exceed 25 per cent of total calories intake.
- For adults 50 years and younger the acceptable consumption for total fiber is set at 38 grams for men and 25 grams for women.
Answer:
1 : a change in form, position, or condition Our routine could use some variation.
2 : amount of change or difference Scientists record the variations in temperature
Explanation:
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Because caffeine is a big polar molecule and it can't pass directly through the phospholypid bilayer so it needs to pass through a channel.