You may noticed that the bones you identified comes in variety of shapes. Why do you think some bones, such as humerus and femur, have rounded ends? Why do yo think other bones such as vertebrae and carpals have flat sides?

The instructions for making proteins come originally from

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

What element is able to combine with itself and hydrogen to form large molecules ?