Use the drop-down menus to select the answer that completes each sentence.
are groups of tissue that carry out important functions in the body.
The
system is the system of the body that consists of the skin and skin components such as nails
and hair.
are tubes that carry blood and nutrients throughout the body.
is a group of many cells performing the same function.
are the basic structural and functional units of life in the human body.

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1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.