Human Body System Review

Human Body System Review

Nervous System:

Sends a receives signals throughout the body.

Major Organs:

-Brain

-Spinal Cord

-Nerves

Multiple Choice

Which below allows signals to go from your brain to the rest of your body?

• Stomach

• Lungs

• Spinal Cord

• Eyes

Endocrine System: Controls growth, metabolism, mood, and response to stimulus.

Major Organs:

-Hormone Glands

-Pancreas

-Testes/Ovaries

**Controls fight/flight/freeze response**

Multiple Choice

Getting scared and running away is a _________ response to an _________ stimulus.

• fight, internal

• flight, external

• freeze, external

Circulatory System: To deliver oxygen-rich blood to cells and organ systems of your body,

Major Organs:

-Heart

-Arteries

-Veins

Multiple Choice

What does blood carry to the cells and organs of your body?

• Oxygen and nutrients

• Nitrogen and carbon

• Oxygen and urine

• Silver and gold

Respiratory System: Provides the body with oxygen and removes carbon dioxide.

Major Organs:

-Nose/Mouth

-Trachea (windpipe)

-Diaphragm

-Lungs

Multiple Choice

Which structure is the reason you to be able to take in oxygen and release carbon dioxide?

• Heart

• Lungs

• Diaphragm

• Stomach

Digestive System:

Convert food into simpler molecules your body can use for energy.

Major Organs:

-Mouth

-Esophagus

-Stomach

-Small Intestines

-Large Intestines

Chemical & Mechanical Digestion

Chemical: Breakdown of food using enzymes (saliva and stomach acid)

Mechanical: Breaking down of food physically (chewing and churning)

Multiple Select

Which are mechanical digestion?

• Saliva

• Churning

• Chewing

• Stomach Acid

Excretory System:

To get rid of wastes in your body, including salts and water.

Major Organs:

-Kidneys

-Bladder

-Skin

Multiple Choice

Your blood is filtered through the _______ and the waste is brought to the ________ as urine.

• bladder, kidney

• stomach, bladder

• kidney, bladder

• esophagus, kidney

Integumentary (skin) System:

Protects our body from external damage, hold in water, and regulate body temperature.

Major Organs:

-Skin

-Hair

-Nails

Multiple Choice

Why is it important to clean cuts and scrapes?

• To help prevent infections

• To keep germs inside our bodies

• To let our food digest

• To let our nerves receive signals

Muscular System:

Works with skeletal system and nervous system to produce movement.

Types of muscles:

-Skeletal

-Smooth

-Cardiac

**Muscles PULL on bones for movement**

Multiple Choice

Do muscles pull or push bones for movement?

• Pull

• Push

Skeletal System:

Provides structure, support and protection to the body.

*Bone marrow is the location of blood production

*Ligaments connect bone to bone

*Tendons connect bone to muscle

Multiple Select

Which 3 organ systems help you move?

• Digestive System

• Nervous System

• Endocrine System

• Muscular System

• Skeletal System

Open Ended

Which organ system(s) was your favorite one to learn about? Write atleast one.