Answer:
The cardio-respiratory system works together to get oxygen to the working muscles and remove carbon dioxide from the body. During exercise the muscles need more oxygen in order to contract and they produce more carbon dioxide as a waste product.
Explanation:
Answer:
the answer is B because primary is when de breaking of rocks n secondary about the area
Explanation:
B
Biological 'superkingdoms<span>' are </span>known<span> as Domains.</span>
Answer: pea
Explanation:
In the garden pea, it is only the terminal leaflets that are modified to become tendrils. In other plants such as the yellow vetch (Lathyrus aphaca), the whole leaf is modified to become tendrils while the stipules become enlarged and carry out photosynthesis.
D. It must go from areas of low concentration to high, and this is only achievable with the use of energy, ATP!
