1. BODY SYSTEMS NOTES

2. Essential Vocabulary
Function: the normal ______ or job of the body _____ or system.
Structure: the __________ of the _____ of the body organ or system.
activity
organ
arrangement
parts
Function
brings in oxygen from environment
Structure

3. Nutrients: substances required by _____ and ______ in order to grow and survive. We get our nutrients from the ____ we eat and the _____ we drink.
plants
animals
food
water

4. Systems Working Together
Systems in the body work together to get things _____.
Your body systems work together to provide your body cells with what you need to survive and function: _______, ______, and _____.
done
nutrients
oxygen
water

5. homeostasis stable environment
Systems in the body work together to maintain __________.
Homeostasis: the maintenance of a ______ __________ inside the body.
homeostasis
stable
environment

6. Digestive System Why do we digest our food?
When you eat, the Digestive System breaks ____ down into _______ that your body can use.
Major organs include: esophagus, _______, small & large intestine.
food
nutrients
stomach
Click Me

7. Respiratory System Why do we breathe?
When you breathe in, the Respiratory System brings ______ into the lungs from the environment. Oxygen then enters the __________.
oxygen
bloodstream
Click Me
Breathe out ______ ______.
carbon
dioxide
Major organs include: trachea, ____, bronchioles, _____.
lungs
alveoli

8. Circulatory System What does the heart do?
The heart pumps _____, nutrients & ______ to all the ____ of your body.
Also takes away _____ & carbon dioxide.
blood
oxygen
cells
waste
Major organs include: _____, blood, ____, arteries & capillaries.
heart
veins

9. Skeletal System Why do you have bones?
Functions of Bones:
1.Bones provide shape & ______.
2.Bones work with muscles to allow ________.
3.Bones ______ organs
4.Bones _____ minerals
5.Bones produce _____ cells
support
movement
protect
store
blood
Major organ: _____. Also includes _______ & ligaments (connective tissue).
bones
tendons

10. Muscular System What do your muscles do?
Muscular system works by _________ ______ to move bones, food through the digestive system, & blood through your body.
Three types of muscles: smooth, cardiac & _______.
contracting
muscles
skeletal

11. Nervous System How does your body communicate with itself?
Nervous System gathers information, stores information and _______ your body’s actions.
Uses a specialized ___ called a _____.
Major organs/parts include: ____, spinal cord & nerves.
controls
cell
neuron
brain

12. Urinary System Why do you need to go to the bathroom?
The Urinary System ____ your body of liquid _____ and regulates your body fluids.
Major organs/parts include: ______, ureters, ______, urethra.
rids
waste
kidneys
bladder

13. Endocrine System How does your body know to grow and develop?
Endocrine system releases ________ into __________.
Hormones: chemical __________ that travel through body controlling processes like ______.
Major organs(glands) include: pituitary,
hormones
bloodstream
messengers
growth
______, pancreas, hypothalamus, ______, ovaries & testes.
adrenal
thyroid

14. Sensory System Can you hear me now? Good!
The Function of Sensory System is to feel and be aware of things ______ your body.
Works with ______ system.
The important organs in the sensory system are: ears, eyes, nose and ___.
outside
nervous
skin
Click Me