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Unit 1 Lessons 3 and 4 Human Machine Quiz

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What part of the eye lets light in?

a)

Retina

b)

Pupil

c)

Lens

d)

Iris

2.

What happens to your pupils when the lights are turned off?

a)

They get smaller

b)

They get bigger

c)

They change color

d)

They disappear

3.

Which animals have bigger pupils to help them see better in the dark?

a)

Diurnal animals

b)

Nocturnal animals

c)

Aquatic animals

d)

Herbivores

4.

What are two jobs that the brain does?

a)

Pump blood and digest food

b)

Store memories and control muscles

c)

Filter air and produce saliva

d)

Make bones and grow hair

5.

What type of nerves send messages from the senses to the brain?

a)

Movement nerves

b)

Sensory nerves

c)

Motor nerves

d)

Digestive nerves

6.

What is the time it takes for your brain to get a message from the senses, make a decision, and send a message to the muscles called?

a)

Illusion

b)

Reaction time

c)

Memory

d)

Sensory time

7.

What do movement nerves do?

a)

Send messages from the brain to the muscles

b)

Send messages from the senses to the brain

c)

Store memories

d)

Control the heart

8.

What is an illusion?

a)

A real object

b)

Something that tricks your brain

c)

A type of nerve

d)

A muscle

9.

Which organ is described as one of the most amazing in the human body?

a)

Heart

b)

Brain

c)

Liver

d)

Stomach

10.

What happens first when you see a ball coming towards you?

a)

Your muscles move

b)

Your eyes send a message to your brain

c)

Your brain stores a memory

d)

Your hand closes

11.

Why do nocturnal animals have bigger pupils than humans?

a)

To look scarier

b)

To let more light into their eyes and see better in the dark

c)

To help them swim

d)

To hear better

12.

If your brain could not send messages to your muscles, what would happen?

a)

You would move faster

b)

You would not be able to move your muscles

c)

You would see better

d)

You would remember more

13.

Which sequence correctly shows how your body catches a ball?

a)

Brain sends message to eyes → Eyes see ball → Muscles move

b)

Eyes see ball → Eyes send message to brain → Brain sends message to muscles → Muscles move

c)

Muscles move → Brain sends message to eyes → Eyes see ball

d)

Eyes see ball → Muscles move → Brain sends message

14.

If your sensory nerves were not working, what would you have trouble doing?

a)

Moving your muscles

b)

Receiving messages from your senses

c)

Pumping blood

d)

Breathing

15.

How does the brain help you catch a ball?

a)

It makes your eyes bigger

b)

It receives information from your eyes and tells your muscles what to do

c)

It makes your hands sticky

d)

It makes you run faster

16.

Why is reaction time important in sports?

a)

It helps you sleep better

b)

It helps you react quickly to things like catching a ball

c)

It makes you stronger

d)

It helps you remember rules

17.

Suppose you are playing a game in the dark. How would your pupils help you see better?

a)

By getting smaller to block light

b)

By getting bigger to let in more light

c)

By changing color

d)

By closing completely

18.

Imagine you see a ball coming towards you, but you do not catch it in time. What could be a reason for this based on how your brain and nerves work?

a)

Your reaction time was too slow

b)

Your eyes were closed

c)

Your hands were too big

d)

The ball was too small

19.

If a person’s movement nerves are damaged, what might they have trouble doing?

a)

Seeing colors

b)

Moving their muscles as their brain tells them

c)

Smelling flowers

d)

Hearing sounds

20.

A magician uses an illusion to make it look like a coin disappears. What is happening in your brain?

a)

Your brain is being tricked by what it sees

b)

Your muscles are getting stronger

c)

Your pupils are getting smaller

d)

Your reaction time is faster

21.

messages from the brain to the muscles

a)

sensory nerves

b)

movement nerves

c)

muscle

d)

dissection

22.

when scientists cut something open to figure out how a living things works

a)

cornea lens

b)

dissection

c)

sensory nerves

d)

joint

23.

send messages from the senses to the brain

a)

dissection

b)

tendon

c)

movement nerves

d)

sensory nerves

24.

What is the black hole in the middle of an eye?

a)

pupil

b)

iris

c)

cornea lens

d)

retina

25.

What is the colored, donut shaped part of you eye called?

a)

pupil

b)

iris

c)

cornea lens

d)

retina