Label Me!

1

• Endocrine System READ pgs. 667 - 671)
• Copy the bold sentences on page 667
• 2. Define endocrine glands -
• 3. What carries the hormones throughout the body?
  
• 4. Define hormone -
• 5. What are cells that recognize the hormone's
  chemical structure and
• fit together with hormones?

The endocrine system produces chemicals that
control many of the bodys daily activities. The
endocrine system also regulates long-term changes
such as growth and development.
Produce and release their chemical products
directly into the bloodstream.
The blood
The chemical product of an endocrine gland.
Target cells
Label Me!
2
Links the nervous endocrine systems and
controls the pituitary gland
a.. hypothalamus
b. Pituitary gland - c. Thyroid d.
Parathyroid - e. Thymus f. Adrenal g.
Pancreas h. Ovaries i Testes 7. What works
like a heating system turning on and off? 8.
Define negative feedback -
Master gland that controls other glands and growth
Controls the release of energy from food
molecules inside cells.
Regulate the amount of calcium in the blood.
Helps develop the immune system during childhood
Triggers the bodys response to emergencies.
Affect salt Water balance in kidneys and sugar
in blood
Produces insulin and glucagon that control
glucose in blood.
Release female sex hormones such as estrogen
Male sex hormone, produces testosterone
Negative Feedback
When the amount of a particular hormone in the
blood reaches a certain level, the endocrine
system sends signals that stop the release of
that hormone.
3
The Nervous System - pgs. 626-639 9. Wirte the
bold sentences on pg. 626 10. What is the
difference between a stimulus and a
response? 11. Give an example of a stimulus and
a response 12. What are nerve cells called? 13.
This neuron picks up stimuli from the internal
and external environment and turns it into nerve
impulses. ____________________________________. 14
. This neuron is usually in the brain and spinal
cord and carries impulses from one neuron to the
next. _______________________
The NS receives info about what is happening both
inside and outside your body. It also directs the
way in which your body responds to this info. In
addition, your NS helps maintain homeostasis.
A stimulus is a change in the environment that
can make an organism react. A response is what
your body does in reaction to a stimulus
A buzzing fly is a stimulus, a swat to the fly is
a response.
Neurons
Sensory
interneuron
15. This neuron sends an impulse to a muscle or
gland . 16. What is a nerve impulse? 17. This
nervous system consists of the brain and spinal
cord _____________________. 18. This nervous
system includes all the nerves ___________________
_____________.
motor
The message a neuron carries
Central
label me!
peripheral
Dendrites
Axon Terminal
19. Define brain - 20. Define spinal cord
21. The three main parts of the brain are the
Cerebrum, Cerebellum, an d_______________________.
22. What does the cerebrum do? 23. What does
the cerebellum do ? 24. What does the
brainstem do? 25. What nervous system controls
voluntary actions? 26. What nervous system
controls involuntary actions? 27. What is a
reflex? 28.
Controls most functions in the body
Thick column of nervous tissue that links the
brain to the nerves
Brain stem
Cell body
It interprets input from the senses, controls
mvmt, and carries out processes such as learning
and remembering.
AXON
Nucleus
Coordinates actions of your muscles and helps you
keep your balance.
Controls the involuntary actions
Somatic
Autonomic
An automatic response that occurs rapidly and
without conscious control.
4

• Give an example of a reflex
• blinking
• 29. In some reflex actions, skeletal muscles
  contract without the involvement of the
  ____brain_______.
• 30. A bruise-like injury of the brain is called a
  ____________________.
• 31 How can someone become paralyzed?

Concussion
If their spinal cord becomes cut or crushed
5
Reproduction - 674-690 Name the male sex
hormone and the two female sex hormones.
_____________________TESTOSTERONE ESTROGEN
PROGESTERONE______________________________________
_____________ What is the function of the
placenta? TO PROVIDE NUTRIENTS TO THE BABY A
CONNECTION BETWEEN THE FETUS AND
MOTHER____________________________________________
____________________________ During the menstrual
cycle, where does the ovum mature?
_OVARIES_______________________ How many
chromosomes are found in a human gamete ( sex
cell)? ___23______________________ How many eggs
are released and fertilized when identical twins
are born? ___1_________ Fraternal twins?
_____2__________ Which male reproductive
structure produces sperm? _______TESTES__________
____________ Which structure in males is part of
both the reproductive system and the excretory
system? ___________URETHRA_______________________
______________________________ What is a zygote?
_______THE FERTILIZED EGG_________________________
________________________ What is fertilization?
___JOINING OF EGG AND SPERM_______________________
____________________________ Where does
fertilization take place? __FALLOPIAN
TUBES________________________________________ Wher
e does the fertilized egg develop?
____UTERUS___________________________________ What
is the scrotum? _POUCHLIKE SAC CONTAINING THE
TESTES____________________________________________
_________ You must be able to label the
following reproductive structures on a diagram
testes, ovaries, urethra, uterus, and Fallopian
tubes.
6

• Menopause stage when a woman stops her period
  and is no longer able to reproduce.
• The sperm determines the sex of the child using
  the x or y chromosome.