The respiratory system always needs iron. The red blood cells are in charge of the transport of O2. They need iron to do this.
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Answer:
According to the previous observational study it is possible to notice that thinning determined in great way the rate of trees that survived the fire.
Explanation:
In general the trees that had been previously cut, were the ones that presented more resistance to the fire, while the trees that had not been thinned were the ones that were severely affected in the spreading conflagration. Reason why in comparison of these two samples, it would be possible to conclude that previously cutting down trees can survive better to the spreading fire.
Answer:
d ferret is an exotic animal
Answer:
a cell wall (because a plant cell is less rigid than an animal cell)
- a large central vacuole (where plant cells store water)
- chloroplasts (which plants use to carry out photosynthesis)
Explanation:
I think the answer is skin. Skin contains sweat glands which secrete a fluid waste called sweat or perspiration; nonetheless, its primary functions are temperature control and release of pheromone. Its role as a part of the excretory is therefore minimal. Additionally, sweating also maintains the levels of salt in the body.
