Match each disease with a hygiene strategy for preventing it. A.Flu Wash your body regularly. B.Athlete’s foot Do not share water bottles. C.Salmonella poisoning Cook meat and poultry thoroughly.Read More »
Read the excerpt from “The Most Dangerous Game.” He struggled up to the surface and tried to cry out, but the wash from the speeding yacht slapped him in the face and the salt water in his open mouth made him gag and strangle. Desperately he struck out with strong strokes after the receding lights of the yacht, but he stopped before he had swum fifty feet. A certain cool-headedness had come to him; it was not the first time he had been in a tight place. There was a chance that his cries could be heard by someone aboard the yacht, but that chance was slender, and grew more slender as the yacht raced on. He wrestled himself out of his clothes, and shouted with all his power. The lights of the yacht became faint and ever-vanishing fireflies; then they were blotted out entirely by the night. Rainsford remembered the shots. They had come from the right, and doggedly he swam in that direction, swimming with slow, deliberate strokes, conserving his strength. For a seemingly endless time he fought the sea. He began to count his strokes; he could do possibly a hundred more and then— What details from the narration show that Rainsford is a rational individual who does well in moments of danger? Check all that apply. 1) He struggled up to the surface and tried to cry out 2) Desperately he struck out with strong strokes after the receding lights of the yacht 3) A certain cool-headedness had come to him; 4) There was a chance that his cries could be heard by someone aboard the yacht 5)[D]oggedly he swam in that direction, swimming with slow, deliberate strokes, conserving his strength.
C) A certain cool-headedness had come to him E) [D]oggedly he swam in that direction, swimming with slow, deliberate strokes, conserving his strength Both of these sentences show that Rainsford can easily handle stress. The first sentence says that he was overcome by “cool-headedness”. In the second stanza the speaker …Read More »
PLZZ HELP FASSSSST 1. Which of the following eyects would you expect if red blood cells were shaped like neurons? (1 point) They would not be able to move as easily through capillaries. They would more easily carry out gas exchange in the alveoli. They would not need to be transported through the body. They would become more eyective at picking up urea discarded by body cells. 2. Which of the following is not a function of the skeletal system? (1 point) supports the body works with other body systems to allow movement manufactures new blood cells sends signals to the brain 3. Which of the following body systems are involved in the first line of defense of the immune system against infection? (1 point) integumentary, digestive, respiratory nervous, circulatory, skeletal muscular, endocrine, urinary urinary, skeletal, integumentary 4. Which of the following sets of structures would be involved in ridding the body of unwanted urea? (1 point) sensory neuron, interneuron, spinal cord alveoli, atrium, cilia capillary, nephron, ureter brain, esophagus, small intestine 5. An infectious disease is a disease that (1 point) is caught because the weather turns cold. is caused by pathogens. can be spread only by bacteria. cannot be cured. 6. Which of the following statements is true regarding infectious agents? (1 point) Infectious agents are all too small to be seen without a microscope, and none can be classified as living. All infectious agents are living because they are all classified as microorganisms. Of all the infectious agents, only viruses are considered living because they actively inject their DNA or RNA into host cells. Viruses cannot be treated with antibiotics because they are not living organisms. 7. Which discovery in the 1800s led to the development of germ theory? (1 point) Vaccines could prevent a disease. Antibiotics exist that can be given to counteract an infection. Infection rates decline when health care professionals wash their hands in between seeing patients. Some diseases, such as cancer, are caused by chemical factors. 8. Follow a carbon atom in a piece of bread eaten by a boy. Which of the following describes a path that this atom could take? (1 point) mouth esophagus stomach large intestine blood body cell mouth esophagus stomach small intestine blood body cell mouth large intestine esophagus stomach blood body cell mouth esophagus small intestine stomach blood body cell 9. Which of the following sets of structures is innervated by the somatic nervous system? (1 point) esophagus, stomach, small intestine atrium, ventricle, arteries biceps, triceps, quadriceps diaphragm, bladder, large intestine 10. Which of the following cell types would you expect to increase in number azer a person becomes infected with a pathogen? (1 point) sensory neurons white blood cells epidermal cells red blood cells
There are four variables which govern changes in population size. births deaths immigration emigration A population gains individuals by birth and immigration and loses individuals by death and emigration. Biotic Potential Populations vary in their capacity to grow. The maximum rate at which a population can increase when resources are …Read More »