Answer:
c lower oxygen levels
Explanation:
the higher up the person is the closer to the atmosphere so there is less oxygen
I think the answer is A..... ps c and d are the same
Answer:
False
Explanation:
The most specific feature of cardiac muscles is the presence of intercalated discs. Intercalated disc connects the ends of cardiac muscle fibers to one another. The discs have desmosomes and gap junctions. The function of desmosomes is to hold the cardiac fibers together. The gap junctions of cardiac fibers allow muscle action potentials to spread from one cardiac muscle fiber to another. These gap junctions have tubular connexons that form channels and connect the cytosol of adjacent cardiocytes to allow the flow of ions and spread of action potential from one cell to another.
Answer:
this is true
Explanation:
if it isnt in the leaves of a plant, then its in the stem, or maybe, the entire thing is green!
flowers have green stems, trees have green leaves, lily pads are green, etc.
hope this helped
Answer:
Its B I think (I'm not 100% sure)
Explanation:
