Sensory Receptors and Stimuli

Fill in the blank: ________ are special cells located throughout the body that detect changes in the environment.

• Sensory receptors

• Red blood cells

• Muscle fibers

• Hormones

Tags

NGSS.MS-LS1-8

Thermoreceptors: Detect changes in ______.

• temperature

• pressure

• light

• sound

Tags

NGSS.MS-LS1-8

Which type of sensory receptor detects chemicals (taste buds and nose)?

• Photoreceptors

• Mechanoreceptors

• Thermoreceptors

• Chemoreceptors

Pain receptors: Detect ______ stimuli that may cause injury.

• harmful

• pleasant

• neutral

• soothing

When a sensory receptor detects a _______, it converts that stimulus into an electrical signal.

• stimulus

• enzyme

• hormone

• neuron

What happens after a sensory receptor detects a stimulus?

• It sends a chemical signal to the muscles

• It converts the stimulus into an electrical signal

• It stores the stimulus for later use

• It ignores the stimulus

Tags

NGSS.MS-LS1-8

The process by which a sensory receptor sends a message to the brain is called:

• Transduction and transmission of nerve impulses

• Photosynthesis

• Respiration

• Digestion

Tags

NGSS.MS-LS1-8

According to the passage, what does the brain do with signals it receives?

• Ignores them

• Processes them and decides how to respond

• Sends them to the heart

• Stores them as food

Fill in the blank: Some responses happen immediately, like pulling your hand away from something hot. This is called a _______.

• reflex

• habit

• decision

• instinct

Tags

NGSS.MS-LS1-8

True or False: The brain stores some signals as memories, helping you recognize things later, like your favorite smell or sound.

• True

• False

Tags

NGSS.MS-LS1-8