A lack of movement creates swelling<span> in Barbara's </span>legs<span> because the body relies on pressure </span>created<span> by the </span>movement<span> of muscles to circulate the blood which then moves it back up into the heart. Barbara's arms didn't swell because she is more likely to move them in a car than her </span>legs<span>.</span>
Answer:
7. Which trait would be most closely associated with high levels of mobility?
a. A body cavity
b. Germ layers
c. Cephalization <-----this one
d. A cuticle
e. Incomplete metamorphosis
Explanation:
Answer:
Only convex lenses can generate real images, which can be projected.
Explanation:
Answer:
bilateral symmetry
Explanation:
The mollusks are a group of animals that is one of the oldest in existence. This groups of animals has two primary characteristics that make them easily distinguishable from the other animal groups, one of them being that they are unsegmented, and the other that they are bilaterally symmetrical. Being bilaterally symmetrical means that the left side and the right side of the body are perfect copies of one another, mirror images. Animals that are considered as mollusks are the snails, slugs, octopuses, squids, cuttlefish, shrimps etc.
