The red blood corpuscles have a pigment called hemoglobin that binds to the oxygen and carries it to the whole body in both the conditions, when the body is at rest or when the body is exercising. The oxygenated blood from the heart is carried to the various parts of the body and the de-oxygenated blood from various parts of the body is carried to the lungs where the exchange of gases takes place.
The immune system. It produces antibodies which fight the bacteria or virus that caused the infection
Propagation is a form of asexual reproduction
sun, salmon, maple trees, bears, plankton, whales, grass, cows, humans, shrimp, caterpillars, finches (small birds), hawks
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Yes, they are all living things that exist in our world.
The highest point the medium rises to and a trough is the lowest point the medium sinks to.