Which structures produce a fluid to protect the body in the first line of defense? check all that apply. hair stomach mouth eyes skin

According to the article, when our sleep/wake cycle breaks down, we are at an increased risk for all but which select one: a. respiratory illnesses b. dementia c. diabetes d. heart disease

Solid fats and sweets are generally a. high in calories and high in nutrients. b. high in calories and low in nutrients. c. low in calories and high in nutrients. d. low in calories and low in nutrients.

If you have a stage 1 tumor, what would this indicate? that the tumor is confined to the organ where it started. that the tumor has grown into the surrounding tissue. that the tumor has invaded the lymph nodes. that the cancer has spread throughout the body.