Which of the following is NOT a difference between cardiac and skeletal muscle? Which of the following is NOT a difference between cardiac and skeletal muscle? The plasma membranes of cardiac muscle cells interlock, but skeletal muscle fibers are independent. Cardiac muscle does not use the sliding filament mechanism for contraction; skeletal muscle does. Cardiac muscle cells contain more mitochondria than do skeletal muscle cells.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Name the glands associated with human digestive system