Answer:
the heart is the main function
Answer:
Parasites are organisms that infect the body of another living being and live off their hosts to survive. While some parasites create no symptoms in their hosts, others can cause severe illness. Parasitic infections occur when parasites grow, reproduce, or invade organ systems that make their hosts ill.
Answer:
C.Cells develop in particular areas of the body, which gives them the same functions
Explanation:
Cell differentiation is the process of cells becoming specialized as their body develops. ... Through the action of these transcription factors, cells specialize into one of hundreds of different cell types in the human body.Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions
Sense of smell
Sense of smell is known to
be part of the chemosensory system or chemical senses. It also a warning
system that alert to danger signals such as fire, gas leakage or spoiled food.
Thus, the sense of smell comes from the specialized sensory cells known as
olfactory sensory neurons.
Facilitatad diffusion needs the help of Transport proteins.
