Science Vocab/Study Guide!! EASY POINTS!!!?

- Part 1:

A. sensory receptor

B. motor neuron

C. hypothalamus

D. thalamus

E. retina

F. dendrite

G. brain

H. reflex

I. nerve

J. cerebellum

K. sensory neuron

L. cerebrum

M. brain stem

N. synapse

O. spinal cord

P. interneuron

Q. neuron

R. neurotransmitter

S. optic nerve

T. axon

1. cell that transmits nerve impulses in the body

2. located at the base of the skull, portion of the brain responsible for the coordination of movement and balance

3. also called a relay neuron, delivers information only between neurons

4. an involuntary response to a stimulus

5. chemical that transmits signals between the nerve cells and the brain

6. major part of the central nervous system which conducts sensory and motor nerve impulses between the brain and the rest of the body

7. largest portion of the brain responsible for conscious functions such as movement, memory and vision

8. the sensory relay station of the brain

9. nerve that carries electrical messages from the back of the eye to the brain

10. neuron conducting impulses inwards to the brain or spinal cord

11. neurons that carry impulses from the brain and spinal cord to initiate muscle contraction

12. Part of the eye that changes light that enters into nerve signals

13. the gap between nerve cells

14. bundle of fibers that receives and sends messages between the body and the brain

15. a structure that recognizes a stimulus in the internal or external environment of an organism

16. long nerve cell fibers that conduct electrical impulses

17. found at the base of the brain, responsible for unconscious activities including breathing, heart rate, and sleep.

18. part of the brain that controls many bodily functions, including feeding, drinking, and the release of many hormones

19. located in the cranium, the command center of the central nervous system

-Part 2:

A. ovary

B. hormone

C. steroid hormone

D. adrenal gland

E. endocrine gland

F. pituitary gland

G. embryo

H. target cell

I. insulin

J. blastocyst

K. negative feedback

L. testes

M. gestation

1. male reproductive glands where sperm and testosterone are produced

2. any hormone-producing gland that is part of the endocrine system

3. cell that has a specific receptor for an antigen or antibody or hormone or drug

4. the time from fertilization to birth in mammals, in humans it is a period of nine months

5. earliest stages of an embryo, the product of cleavage

6. any hormone affecting the development and growth of sex organs, fat soluble hormone derived from cholesterol

7. mechanism in the body for maintaining homeostasis; a change in a variable sets off a response that counteracts the initial change

8. hormone that helps the body use glucose for energy

9. the "master gland," endocrine gland that produces hormones that control other glands and many body functions including growth

10. the period of development from the time of implantation to the end of the eighth week after conception

11. a chemical messenger involved in the regulation and coordination of cellular and bodily functions

12. pair of hormone producing glands located above the kidneys, produce steroid hormones and epinephrine

13. one of a pair of female sex glands which produce ova and the female sex hormones estrogen