Download Body systemspart 1

Body systems—a crash-course Objectives
1. Explain the relationship between cells, tissues, organs and the body.
2. Explain the 2 main jobs of the Circulatory System, and the 3 parts/function of blood.
3. Describe the parts/jobs of the circulatory system: heart, arteries, veins, capillaries.
Body Studies
--The study of the human body and how it works is a branch of Biology called ____________.
--Anatomy is used by __________, nurses, ____________, and _______________________.
--Despite studying the body for centuries, ______________________ about it.
--Like a business, your body is divided into sections (_____________), each with its ____________,
to keep the whole thing running smoothly.
--The main systems that keep you alive are…
____________ System
____________ system
____________ System
_____________________ System
______________________ System
Some animals, ____________________________
Examples: parasitic ____________ do not have a respiratory or digestive system, and ______________________________ in
someone else’s intestines.
What creates a Body System
--There are many different types of animal cells that _________________ to ___________________.
Animal ___________ come together to form __________ called ____________ that create body organs.
--Organs come together to make a _________—
a thing where each part works together.
A. Circulatory System/Blood
Does two key jobs…
1.
Makes ________________________ (the body’s largest organ)
2.
_______________________ to all the other cells in the body,
______________________________ products.
What is blood?
Blood is made of 3 parts: __________, ___________________, and ________________
A. Plasma (55%)
B. Red blood cells (45%)
C. White blood cells (5%)
1.
Plasma
--Mostly made of _________—has _________, ___________, and other nutrients dissolved in.
--Plasma is what _______________________.
2.
Red Blood Cells
Actually a ____________ cell—mature red blood cells have no nucleus.
R.B. Cells _________________ to the other cells in the body, then _____________________
Note: RB cells _________________ without oxygen!
--Red Blood Cells have an ________-based chemical called ______________ that lets them carry oxygen molecules around.
--These are born in __________________, and live for around __________________
3.
White Blood Cells
--These _______________bacteria and virus cells.
--They make the body’s _____________
--They also ____________________, and ________- cells, as needed.
--WB cells created in the _____________, and ____________
--Live for a _______________, or a few months
4.
Platelets
--Tiny cells in the blood ____________.
--These will collect and __________ any opening in the skin/blood vessel,
forming a ____________.
--Live for around ___________
Blood types and transfusions
--If a transfusion is needed, the _______________________________________- from person to person.
--If not, the different blood cells will _________________________, and ___________________in the blood stream, causing heart
attacks, strokes and death.
The blood types are…
A+
B+
AB+
A-
B-
AB- O-
O
_____________ Blood types are ______________than ____________ types
Blood types and transfusions
A use ____OR ____
B use ____ or _______
AB  ________ only
O  ‘____________’ goes anywhere
Only + blood types can mix with +, and – will only mix with – blood types.
Parts of The Circulatory System
1.
Heart—fist-shaped _______ that __________ the blood.
2.
Arteries—Large tubes that _________________________ (red)
3.
Veins—smaller tubes that _____________________________—
have valves that keep blood flowing the right way. (blue)
4.
Capillaries—___________________ from the veins and arteries that actually
___________________ nutrients and oxygen
Body Systems part 2 objectives
4.
5.
6.
7.
8.
Describe the job of the Digestive System, and how enzymes are important to it.
Explain which parts of the digestive system break down the food, and which parts distribute the nutrients o the blood.
Explain what the Respiratory system does, and what each part does: nose, trachea, bronchi tubes, alveoli, and
diaphragm.
Describe how the nervous system makes the muscular-skeletal system work.
Explain what the Nervous system’s homeostasis means
Digestive System
The purpose of the digestive system is…
1. ___________________ food, ____________the__________.
2. _____________________ to the _________________ system
3. Removes the leftover wastes.
--The digestive system uses liquid proteins called ___________ that help
_________________________ of food.
--Without Enzymes, food would ______ in the body ____________
the body could ________________________.
Digestive System Part jobs
1.
Mouth/teeth/stomach—________________________________ called chyme.
2.
Intestines—____________________________ from the food
3.
Liver--_________________________ before releasing nutrients into the blood.
Respiratory System
Does 2 jobs—
1. _______________________, removes it, and dissolves it into the blood
2. Collects ____________________ from the blood, and ____________________.
Respiratory parts
1.
Nose—collects air, ___________________ with hairs and snot.
Also ________ the air up.
Note: air enters the mouth too, but is NOT filtered like the nose-air.
2.
Trachea—muscular tube that __________________—also has
mucus to filter dirt out.
3.
Bronchi tubes—smaller tubes that ___________________________,
and spread out into the lungs
4.
Alveoli—small ______ of ___________ and ____________________, located at the ends of the Bronchi Tubes. These
___________________ to/from the ____________
5.
A lung is a ________ of ____________, _____________, and _________________
6.
Diaphragm– a wide, flat _____________ that __________________ on the lungs to ________________, and pulls back to
breathe in.
Skeletal/Muscular system
In charge of body _____________+____________
The muscles pull on _____________ on bones to move them.
The muscles themselves move from ____________________from the _____________ System.
1.
When the muscle is shocked, it _______________________
2.
When the pulse is over, it _______________________.
--There are ____________ individual muscles in the human body, all working on electrical power generated by your nervous system.
Animals like the electric eel (Amazon River) can ____________________ these used electrical impulses for an attack against prey.
--______________, not only support the body, but also ___________________________ in the marrow (center).
The bones continue to grow and ‘set up’ until _________________
There are over _____________ bones in a baby, but _________ bones in an adult
Nervous system
In charge of __________________ from the environment and the body, and _______________ to it.
Includes the _____________, _______________, and ____________ (including taste buds, ears, and eyes)
In charge of Homeostasis: ________________________________ to changes to stay alive.
Examples of Homeostasis
1. _________________________ when hungry
2. ___________________ when cold
3. ___________________ when hot
4. Feeling _______________
5. ____________________ (flight or fight response)
The brain itself is divided into sections (_______________),
and each controls a certain part of your ‘mind.’
Part1 + 2 Review:
Give/explain the jobs of the…
1.
Circulatory System (2 jobs)
2.
Red Blood cells
3.
White blood cells
4.
Platelets
5.
Digestive system
6.
Enzymes
7.
Respiratory system
8.
Nervous system
9.
How are arteries different than veins?
10. What is a lung made from?
11. How do the nerves make a muscle work?