Body systems and homeostasis

1. Body SystemsBody Systems

2. Circulatory SystemCirculatory System
The major The major
organs of the organs of the
circulatory circulatory
system include system include
blood vessels blood vessels
and the heartand the heart

3. Circulatory SystemCirculatory System
The circulatory The circulatory
system transports system transports
nutrients and nutrients and
waste throughout waste throughout
the bodythe body

4. Circulatory SystemCirculatory System
To help maintain To help maintain
homeostasis, the homeostasis, the
circulatory system circulatory system
regulates and regulates and
maintains the maintains the
correct levels correct levels
nutrients, oxygen, nutrients, oxygen,
and waste products and waste products
needed by cellsneeded by cells

5. Vascular Tissue SystemVascular Tissue System
Similar to the Similar to the
circulatory system circulatory system
in animals, the in animals, the
vascular tissue vascular tissue
system regulates system regulates
and maintains and maintains
correct levels of correct levels of
nutrients and nutrients and
waste products waste products
needed by plant needed by plant
cellscells

6. Vascular Tissue SystemVascular Tissue System
The major organs The major organs
of the vascular of the vascular
tissue system are tissue system are
xylem and phloemxylem and phloem
–xylem transports xylem transports
waterwater
–phloem transports phloem transports
foodfood

7. Vascular Tissue SystemVascular Tissue System
The vascular tissue system acts as a The vascular tissue system acts as a
plumbing system that carries fluids and plumbing system that carries fluids and
dissolved substances throughout plants.dissolved substances throughout plants.

8. Digestive SystemDigestive System
The major organs The major organs
of the digestive of the digestive
system include system include
the mouth, the mouth,
esophagus, esophagus,
stomach, large stomach, large
and small and small
intestines, and the intestines, and the
coloncolon

9. Digestive SystemDigestive System
The digestive The digestive
system absorbs system absorbs
nutrients by nutrients by
breaking down breaking down
food into usable food into usable
biomoleculesbiomolecules

10. Digestive SystemDigestive System
The digestive system The digestive system
contributes to homeostasis contributes to homeostasis
by regulating the intake of by regulating the intake of
nutrients, breaking down nutrients, breaking down
food molecules and food molecules and
absorbing them into the absorbing them into the
cells, and regulating water cells, and regulating water
intake (large intestine)intake (large intestine)

11. Excretory SystemExcretory System
The major organs The major organs
of the excretory of the excretory
system include the system include the
kidneys, liver, kidneys, liver,
bladder, colon, bladder, colon,
rectum, lungs, and rectum, lungs, and
skinskin

12. Excretory SystemExcretory System
The excretory The excretory
systems removes systems removes
waste from the waste from the
bodybody

13. Excretory SystemExcretory System
The excretory system helps The excretory system helps
maintain homeostasis by maintain homeostasis by
removing all waste material removing all waste material
from the body; the skin from the body; the skin
sweats (which also helps to sweats (which also helps to
cool the body); the kidneys cool the body); the kidneys
filter chemicals in the blood; filter chemicals in the blood;
the liver filters toxins and the liver filters toxins and
acids from the blood; and the acids from the blood; and the
colon allows solid waste to colon allows solid waste to
pass from the bodypass from the body

14. Respiratory SystemRespiratory System
The major organs The major organs
of the respiratory of the respiratory
system include the system include the
lungslungs

15. Respiratory SystemRespiratory System
The respiratory The respiratory
system moves system moves
oxygen into the oxygen into the
body while body while
removing carbon removing carbon
dioxide (COdioxide (CO
22) from ) from
the bodythe body

16. Respiratory SystemRespiratory System
The respiratory The respiratory
system helps system helps
maintain maintain
homeostasis by homeostasis by
bringing in bringing in
necessary levels of necessary levels of
oxygen while oxygen while
removing harmful removing harmful
COCO
22

17. Skeletal SystemSkeletal System
The skeletal The skeletal
system is system is
composed of bonescomposed of bones

18. Skeletal SystemSkeletal System
The skeletal The skeletal
system protects system protects
and supports other and supports other
body systemsbody systems

19. Skeletal SystemSkeletal System
The skeletal system helps The skeletal system helps
maintain homeostasis by maintain homeostasis by
supporting organs and supporting organs and
keeping them in place keeping them in place
which allows for proper which allows for proper
function and directly function and directly
interacts with musclesinteracts with muscles

20. Muscular SystemMuscular System
The muscular The muscular
system includes system includes
voluntary and voluntary and
involuntary involuntary
musclesmuscles

21. Muscular SystemMuscular System
The muscular The muscular
system allows for system allows for
movementmovement

22. Muscular SystemMuscular System
The muscular system The muscular system
helps maintain helps maintain
homeostasis by allowing homeostasis by allowing
movement and the body movement and the body
to return back into place to return back into place
after changing position; after changing position;
many involuntary many involuntary
muscles constantly muscles constantly
regulate body functions regulate body functions
such as breathing and such as breathing and
heartbeatheartbeat

23. Endocrine SystemEndocrine System
The major organs of the The major organs of the
endocrine system include endocrine system include
glands and the brainglands and the brain

24. Endocrine SystemEndocrine System
The endocrine The endocrine
system regulates system regulates
and sends and sends
hormones hormones
throughout the throughout the
bodybody

25. Endocrine SystemEndocrine System
The endocrine The endocrine
system is system is
responsible for responsible for
regulation from the regulation from the
hormone messages hormone messages
such as such as
temperature, temperature,
hunger, sleep, etc.hunger, sleep, etc.

26. Nervous SystemNervous System
The major organs The major organs
of the nervous of the nervous
system include system include
nerves and the nerves and the
brainbrain

27. Nervous SystemNervous System
The nervous The nervous
system sends system sends
chemical chemical
messages messages
throughout throughout
the bodythe body

28. Nervous SystemNervous System
The nervous system The nervous system
helps maintain helps maintain
homeostasis by sending homeostasis by sending
chemical messages to chemical messages to
the brain that tell the the brain that tell the
status of pain, status of pain,
temperature, hunger, temperature, hunger,
etc. so that the body etc. so that the body
can make adjustments can make adjustments
using other systemsusing other systems

29. Sensory OrgansSensory Organs
Sensory organs Sensory organs
include the skin, include the skin,
eyes, ears, nose, eyes, ears, nose,
tonguetongue

30. Sensory OrgansSensory Organs
The sensory organs The sensory organs
are constantly are constantly
adjusting to body adjusting to body
conditions to conditions to
respond to changes respond to changes
in the environmentin the environment

31. Sensory OrgansSensory Organs
The sensory organs The sensory organs
help maintain help maintain
homeostasis by homeostasis by
working with the working with the
nervous system nervous system
and maintaining and maintaining
internal internal
temperaturetemperature

32. Body SystemsBody Systems
What four systems are involved in What four systems are involved in
regulating internal body regulating internal body
temperature?temperature?
–nervousnervous
–endocrineendocrine
–excretoryexcretory
–circulatorycirculatory