Involuntarily

He involuntarily stumbled and fell down the stairs.

He involuntarily flinched when the loud thunder shook the house.

The dog involuntarily barked at the sight of the mailman.

She involuntarily stumbled when she stepped on a loose rock.

He involuntarily recoiled when he touched the hot stove.

The baby involuntarily sucked on its thumb while sleeping.

The child involuntarily yawned during the boring lecture.

She involuntarily clenched her fists when she heard the news.

He involuntarily twitched his nose at the strong smell.

The child involuntarily flinched as the dog barked loudly.

She involuntarily sneezed due to the pollen in the air.

He involuntarily covered his ears when the fire alarm went off.

The building involuntarily shook during the earthquake.

The audience involuntarily cheered when the magician pulled off the trick.

The patient involuntarily twitched during the medical examination.

He involuntarily tapped his foot to the rhythm of the drumbeat.

The baby involuntarily giggled at the sight of its mother.

He involuntarily stretched his arms when he woke up from the nap.

She involuntarily blushed when she was complimented.

She involuntarily nodded her head in agreement with the speaker.

He involuntarily clenched his fists when he heard the insult.

The cat involuntarily arched its back when it felt threatened.

She involuntarily rubbed her eyes when she felt tired.

The doctor tapped his knee and he involuntarily kicked his leg.

She involuntarily recoiled from the touch of the spider.

His body involuntarily tensed up when he heard a loud noise.

He involuntarily blushed when she complimented him.

He involuntarily groaned when he sat down after a long day.

The baby's hand involuntarily reached for the bright toy.

She involuntarily smiled at the sight of the adorable puppy.

He involuntarily jolted awake when the alarm went off.

The baby involuntarily spit out the medicine because of the bitter taste.

The student involuntarily blushed when the teacher praised him in front of the class.

He involuntarily hiccupped after eating too quickly.

She involuntarily cried when she heard the sad news.

She involuntarily trembled in fear during the horror movie.

He involuntarily sneezed due to the pollen in the air.

The patient involuntarily moaned in pain during the medical procedure.

She involuntarily shivered when the cold wind blew.

She involuntarily screamed when she saw the spider on her arm.

He involuntarily scratched the mosquito bite on his arm.

The dog involuntarily drooled when it smelled the food.

She involuntarily gasped when she heard the unexpected news.

He involuntarily stumbled on the uneven sidewalk.

The worker involuntarily dropped the heavy box due to the slippery floor.

The student involuntarily yawned during the boring lecture.

She involuntarily flinched when the doctor gave her a shot.

He involuntarily blushed when the girl smiled at him.

The baby's arms involuntarily flailed when she was startled.

He involuntarily hiccupped after drinking the soda too fast.