Answer:
esophagus, pancreas, liver, gallblader, salivary glands
Explanation:
Answer: we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, mass spectroscopy, etc. And these tools do a better job of observing than we can!
Feral hogs is the right answer
Chimpanzees are more closely related while orangutans are the least closely related of the apes. Gorillas are in the middle of the two.
