The lungs expand and with that you breathe in air as the diaphram contracts and relaxs to cause "breathing"
The integumentary system (skin) has been called a membrane and an organ but, it is generally considered a system because it has organs that work together as a system. It is sometimes considered an organ because it contains several types of tissues and a membrane and it covers the body.
D
Less <span>competition with the parent plants. by being dispersed further, they will face competition but not with their parent plants.</span>
Answer:
Hmm.
Explanation:
The ocean is the dominant physical feature on our planet Earth, covering approximately 70% of the planet's surface.
