Download Circulatory System Notes - Manhasset Public Schools

Name________________________________________Date_____________ Period_______
Aim # ______: What are the structures and functions of the human circulatory system?
Circulatory System Notes
Why do we need a circulatory system?
Vessels:
Vessel
a.
b.
c.
Label the vessels below:
Description
thick, muscular; carry blood away from heart;
where _________is felt
carry blood towards the heart; _______prevent backflow
one cell thick; where exchange of materials takes place
Heart:
1&4
upper chambers
2&3
lower chambers
B.
separates oxygen rich and
poor blood
E.
largest artery leaving the heart
A.
Largest veins entering the
heart
Circulation:
a)
b)
c)
d)
e)
your heart pumps 5 liters of blood per minute
_________________: lungs (5 27  4)
_________________: body (6 8 1 3)
_________________: heart
_________________: filters foreign substances like bacteria from
transport fluid
i. lymph vessels: tubes that branch through all the tissues
ii. ______________: fluid inside vessels
iii. blood plasma diffuses through walls of capillaries and forms
water fluid around cells of all tissues (ICF: intercellular fluid)
Label the diagram and trace the path of blood below:
Blood



pressure:
_______________: contract
_______________: relax
120/80
Blood: tissue, because it contains cells; serves as a transport medium to help
maintain homeostasis
a.
Made in bone marrow
Contain hemoglobin to carry
oxygen
b.
Clot blood (enzyme controlled)
c.
Immunity: engulf pathogens, make
antibodies
liquid part of blood
mostly water
transports ions, nutrients,
wastes, hormones and proteins
Blood Types
a. _________________: chemicals on the surface of cells, pathogens and viruses
that our body recognizes as foreign
b. _________________: made by your body to fight antigens; specific shape
c. Blood typing: determined by antigen-antibody reactions


Who is the universal donor? ____________ Why?
Who is the universal recipient? ______________ Why?