Which is the Colour of cleanliness

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

What are two different ways you could find the value of a? explain these methods.