Which structures allow for the removal of wastes from the developing fetus? placenta and blastocyst
blastocyst and umbilical cord
umbilical cord and placenta
embryo and blastocyst

Drea has never had alcohol, but she believes her friends when they tell her that almost everybody at their school drinks on a regular basis. in reality, very few students at the school drink alcohol.which statement best describes what is occurring in this situation? a.peers are influencing what drea thinks of as normal behavior. b.peers are pressuring drea to drink. c.drea is not really influenced by what her peers think. d.drea is giving in to peer pressure.

The five components of health-related fitness include cardiorespiratory fitness, muscular strength, resting heart rate, muscular endurance, and body composition cardiovascular fitness, muscle tone, muscular endurance, flexibility, and body composition calisthenics, muscular strength, muscular endurance, flexibility, and body composition cardiorespiratory fitness, muscular strength, muscular endurance, flexibility, and body composition

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription