where in a stem cell of an embryo is the instructions for how to build organs?  a. ribosomes  b. endoplasmic reticulum  c. Golgi apparatus  d. nucleus

Which of these statements are true about scientific theories and hypothesis

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking