Nerves connected to brain
message to the
heat sensors in the
spinal cord
skin of the hand
arm muscle
the effector
message from
the spinal cord
heat from the
flame
transverse section
through the
spinal cord
FIG 9.4.4 Reflex arc
Explain how the nervous system will respond in the above scenario.
[Use the RED ARROWS to assist in your response)

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that

What is a dendrite and what does it do?