Answer:
Ventlation or breathing, is the movement of air through the conducting passage between the atmosphere and the the lungs. The air moves through passeng because of pressure gradients that are produced by contraction of the diaphragm and thoracic muscles.
Answer:
b
Explanation:
The R in RNA stands for Ribosomes which are proteins.
Letter A. This is true it is caused from bacteria on the skin.
- photosynthesis ( use the Sun to create their own energy )
- roots ( what is attached to the ground and bed of the plant)
- plants grow from seeds
- all plants have stems ( budding)
- most plants are green
- all plants need water and sunlight to grow
- paper is made from plants
- all plants have a vacuole and chloroplast cell
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