Which of the following statements relating to the necessary life functions is accurate? movement of substances is facilitated by the skeletal muscles skin provides the cellular boundary separating internal and external environments wastes including urea, feces and carbon monoxide are removed from the body all of the above none of the above

The main difference between ectotherms and endotherms is how they obtain food to provide for their metabolism. the source of their body heat. whether they conserve or eliminate body heat. whether they control their body temperature.

Which one of these is correct and why are the rest incorrect

The width of the mouth is equal to three times the vertical height of the eyes twice the width of the base of the nose the width of the chin the length of the ear

Which of the following is a serous membrane that covers the surface of an organ? Parietal layer Visceral layer Membranous layer Cortical layer Fibrous layer

Which of the following responses is an effector activated by the hypothalamus when the body temperature is lower than the set point? skin blood vessels dilate skeletal muscles contract move to a warmer location or put on a sweater weat glands initiate sweating

There are two major coordinate all of the other organ systems in the human body. systems in the body that sensory hormones The system is comprised of the brain, spinal cord, and ions associated nervous The action of the nervous system allows the body to respond to both external and internal control nerves In addition, the the body's other systems, like maintenance of the male and female reproductive organs. system also regulates the functions of urinary stimuli This system's response, however, is slower due to the use of endocrine

Label the following body sections and body surfaces

Which one of the following has been claimed to be effective as a homeopathic treatment? None of these responses is correct. Sodium bicarbonate for an acidified body. Coffee enema for cancer. Rabid dog saliva for aggressive behaviour. O Green coffee bean extract for weight loss. Acetylsalicylic acid for fever.

Examples of how the body maintains a constant body temperature are:A sweating and urinationB salt and fibre excretionC 'goose bumps' and glucose excretion