Why does the body constantly make new cells?

In most animals, the gut or digestive tract can be thought of as:

In animal cells, somatic cells have __set (s) of chromosomes.

Your feet on hot pavement is that conduction, convention, or radiation

Is glucose oxidized or reduced during cellular respiration

After the drought of 1977, researchers on the island of Daphne Major hypothesized that medium ground finches that had large, deep beaks survived better than those with smaller beaks because they could more easily crack and eat the tough Tribulus

Isotopes of uranium are the most common fuel used in nuclear power plants. True / False

Long-term studies of belding's ground squirrels show that immigrants move nearly 2 km from where they are born and become 1%-8% of the males and 0.7%-6% of the females in other populations. on an evolutionary scale, why is this significant?

A gas with constant temperature has a pressure of 123 kPa and a volume of 123.13 L. A pressure change caused the volume to decrease to 28.15 L.

What could be the purpose of these two trials

How does the water cycle connect to the nitrogen cycle, carbon cycle, and phosporous cycle?