Question

1. the dorsal body cavity houses the: a. tongue b. spinal cord and brain c. digestive and reproductive organs d. urinary and reproductive organs e. heart and lungs 5. what is the major function of the urinary system: a. return leaked fluids back to the cardiovascular system b. break down food into absorbable units c. eliminate nitrogen - containing metabolic wastes from the body d. produce offspring e. secrete hormones to regulate body processes such as growth and reproduction

Explanation:

1. The dorsal body cavity contains the cranial cavity (housing the brain) and the spinal cavity (housing the spinal cord).
2. The urinary system's main role is to filter and remove nitrogen - containing wastes like urea from the blood and excrete them as urine.

Answer:

1. B. spinal cord and brain
2. C. eliminate nitrogen - containing metabolic wastes from the body