Ch.10.1

Question 1

Sensitivity is _________________________________________.

Answer 1

one of the vital functions of living things

Question 2

What is sensitivity?

Answer 2

The ability to detect and respond to stimuli.

Question 3

What are stimuli?

Answer 3

Stimuli are changes in the environment that cause a response.

Question 4

Sensitivity is important to the survival of living things. It helps them:
1.
2.
3.

Answer 4

escape from danger;
search for food; and
find mates

Question 5

In humans, stimuli are detected by ________________ ________________ called ________________ ________________.

Answer 5

body parts, sense organs

Question 6

In each sense organ there are ________________ ________________ ________________ for detecting stimuli. There are different types of ________________ ________________, each detects a ________________ ________________ of stimulus.

Answer 6

specialised sensory cells, sensory cells, particular kind

Question 7

Please describe the process of how senses are produced, from “stimulus” to “sense”

Answer 7

stimulus —detected by—> specialised sensory cells in a sense organ —send signals through nerves to—> brain —produces—> sense

Question 8

Humans detect stimuli with ________________ ________________ ________________:
—the ________________ [[detects ________________, produces ________________]]
—________________ [[detects ________________, produces ________________]]
—________________ [[detects ________________ of ________________ ________________, produces ________________]]
—________________ [[detects ________________ of ________________ ________________, produces ________________]]
—________________ [[detects ________________, ________________, ________________ and ________________, produces ________________]]

Answer 8

five sense organs,
eyes, light, sight
ear, sound, hearing
nose, smells of chemical substances, smell
tongue, flavours of chemical substances, taste
skin, touch, pressure, pain, temperature, touch