Download The Circulatory System - Norwell Public Schools

The
Circulatory
System
• How do we get the reactants of
cellular respiration- __________
and _________- into our cells?
What is a Circulatory System?
A system of _________ __________ that moves _____
and _________ to and from _______ all over the body.
A circulatory system requires:
Review
• What kinds of nutrients do your cell use for energy?
•How do nutrients get to all the cells in your body?
After food is absorbed through intestines,
Where does it go?
* Absorption of
______, _________,
and _______________.
Movement of Nutrients
• ________ are absorbed by the cells that make
up the wall of the ________ and enter the
__________ through __________.
!
• Nutrients move by ______ from ________ to
_________ concentrations
!
• ___________ ------> ___________
Overview of the Circulatory System
How does structure meet function?
Structures
•Blood
•Blood Vessels
•Heart
Functions
movement of food,
gasses, blood cells,
waste, hormones,
enzymes, and fluid
through the body
Structure meets
function
The
Circulatory
System
The Big Picture:
Circulatory system
connects the
_______ of
________ with the
_______ _______
The Structure and Function of Blood
Blood is composed of:
1. ___________
2. ___________
3. ___________
The Structure and Function of Blood
Plasma:
•The _______ ________ of
the blood in which blood
______ are suspended.
!
•Is about ______ ________
!
•Contains ______ and
_________
!
•Contains substances
that need _________ from
one body part to
another (__________,
__________, __________).
Red Blood Cell—
Structure Meets Function
• ______ is carried in the
red blood cell by a globular
____________ called
____________.
– Attaches to ____ groups
(“________”)
– Makes blood ________
White Blood Cell—
Structure Meets Function
White Blood Cells:
• Main part of the
________ system
!
• Main _______ is to fight
__________.
!
• There are _____ major
types
Platelets
Cell ____________ that
aid in __________.
• Clotting is needed when
our ______ ___________ are
________ due to injury.
!
• Platelets act as __________.
!
• When tissues tear,
platelets _________ to
exposed tissue and release
_________ that make
nearby platelets _________.
Blood Vessels
___________:
•Transport blood
______ from the heart:
!
• Oxygen-_______
blood to the
_________. !
•Oxygen-______
blood to the _____
_________.
Blood Vessels
_________:
•Transport blood
_______ the heart:
!
• Oxygen-______
blood from the
_______.
!
• Oxygen-______
blood from the
______ ______.
________________
• Most __________ vessel in our bodies.
• Connect __________ to ___________.
Blood Vessels
Capillaries:
• When blood reaches the capillaries, _______ and
_________ can ________ through their thin _______,
to the ____________ fluid, and then into _________
________. The Heart
Chambers of the heart
Path of blood through the heart
• ___________ Circuit
– Carries blood between the
______ and the _______
!
• ___________ Circuit
– Carries blood between the
_______ and the ______
of the _______.
!
• Heart Animation
The Flow of Blood
Capillaries of ______,
_____, and _____
Capillaries of
_______ and ___
Diversity--Open vs. Closed
Blood flows _____ among
_______ __________
Blood is __________
to ___________
One loop vs. Two loops
Diversity--Chambers of the Heart
REVIEW
• What is the difference between an open and closed
circulatory system?
!
!
• Why is our circulatory system a double circuit?
!
!
• What are the three types of blood vessels in our circulatory
system?
!
!
• Which vessels are the thickest? Which are the thinnest?
Why?
!
REVIEW
• Which vessels carry blood toward the heart?
!
!
• Which vessels carry blood away from the
heart?
!
!
• What is the function of capillaries?
!
REVIEW
• What is blood made up of?
!
!
• What are platelets?
!
!
• What is the function of red blood cells?
!
!
• How do red blood cells carry oxygen?
!
!
• What is the function of white blood cells?
!
Review
➢What are the four
chambers of the heart?
➢What is the main
artery of the heart?