One evolutionary trend is that as you move from simpler animals to more complex animals, Systems become more specialized.
Answer:
A. amino acids
Explanation:
Protein in our diets comes from both animal and vegetable sources. ... The digestive system breaks all proteins down into their amino acids so that they can enter the bloodstream. Cells then use the amino acids as building blocks to build enzymes and structural proteins.
hope this helps
Not the right subject, but anyway,
233 W * 0.001 kW/W 10.8 hours a day * 365 days a year
= 233*0.001*10.8*365 kW-hours/year
= 918.5 kW-h/year
C)No, the human body is made of many types of cells. It is also made of white blood cells, tissue cells, etc.