What is the metric unit for length?

meters
miles
distance
inches

What is an endocrine function? (apex) a. esophageal glands release mucus into the esophagus b. salivary glands release saliva into mouth c. swear glands release sweat to the skin d. the pineal gland releases melatonin into the bloodstream

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen

What characteristic makes a cell membrane selectively permeable