Matter cycling through the body of living things means matter passing from within. Plankton — microscopic organisms floating in the sea. A whale swimming in water is an example of matter cycling over the body of a living thing. In that as the whale swims water which is matter moves across its body.
Mayonnaise is heterogenous
The two semilunar valves, the pulmonary and aortic valves, are closed, preventing backflow of blood into the right and left ventricles from the pulmonary trunk on the right and the aorta on the left.
The answer is; decreasing
When a particular geographical region is exposed to the sun for some time, the atmosphere is heated and the air mass in the region become less dense as it warms up. This is how low-pressure occur in the world. Wind from the high-pressure system (with denser air masses) begins to blow towards the low-pressure regions to replace the rising air masses.
No picture shown in the question 1: