9. Some people who are colorblind cannot perceive certain colors. Sometimes colorblindness is caused by a problem in the nerves. Colorblindness in
others is caused by a defect in a certain part of the eye. What part of the
you
think has the defect? Explain your answer.
eye do

Which term describes a normal value for something in the body? a. homeostasis b. set point c. feedback loop d. integration center

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear