SKELETAL
DIGESTIVE
CIRCULATORY
MUSCULAR
NERVOUS
100
How many bones are in the average adult human body
206 !! 
100

how far can the stomach strech

30 feet

100

How many times does a heart pump per day?

100,000 times per day!

100

what are the 3 main types of muscles?

skeletal, , smooth , and cardiac!

100
how fast can the nerve impulses travel?

nerve impulses can travel at the speeds up to 270

200

how many bones are in the average babys body?

270

200

How long does it take to digest food?

2 to 5 days !!

200

how much blood does the average human body contain?

5 quarts!

200

Whats the strongest muscle 

masseter muscle! which controls jaw movement!

(able to generate forces of 200 pounds!)

200

what is the purpose of dreams

to process information!!
300

What is the skeletal systems main purpose 

to protect the organs in the body.

300

What does digestive system do in your body?

Breaks down food into components , absorbs nutrients , and eliminates waste 

300

how long can blood vessels reach? 

60,000 !!

300

Do muscles pull or push?

ALWAYS pull NEVER push!

300

how long does it take for your brain to grow?

mid twenties !!

400

what are the 2 types of bones?

cortical and cancellous.

400

Why does your stomach rumble

caused by the movement and fluids in the digestive tract

400

What does the circulatory system do?

delvivers oxygen and nutrients to all parts of the body. 

(as well as hormones !!)

400

how do muscles generate heat?

your muscles generate heat as they work, which also regulates your body temperature?
400

what is the nervous systems main purpose

coordinating body functions by transmitting signals through out the body

500

what is stomach acid?

it breaks down food to and makes it into nutrients and waste for your body!

500

what is it responsible for ?

intelligence , learning , memory and movement.