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Flashcards in Introduction Deck (36)
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1

ana-

up

2

-temnein

to cut

3

gross

large

4

micro-

small

5

-scopic

to see

6

cyt-

cell

7

-ology

study of

8

hist-

tissue

9

physis

nature

10

Define biology

study of life

11

Define science

a body of systematized knowledge; a way of knowing

12

How does science work?

-

13

List some ways we can keep up with the advances of science.

1. Read in professional areas
2. Apply new findings to your profession
3. Apply new findings to your new daily lives
4. Attend professional meetings
5. Learn to think logically, be reasonable, and be unbiased as we evaluate new advances

14

How many cells are in the human body?

About 100 trillion

15

How many anatomical terms for parts are there in the human body?

50,000

16

Organization of the human body (smallest to largest)

Chemical (atoms & molecules) -> Cellular -> Tissue -> Organ -> Organ System -> Organismal

17

What is the biochemical definition of life?

Coordinated interaction of biomolecules

18

What is the relationship between structure and function?

function determines structure; form determines function

19

When does life begin?

-

20

Define homeostasis

the ability to maintain a constant internal environment

21

Give examples of homeostasis. Why is it important?

-

22

Define negative feedback. Why is it important?

The output shuts off the original stimulus. E.g. regulation of blood pressure

23

What is positive feedback? Why is it important?

the output enhances/exaggerates the original stimulus. E.g. childbirth, digestive system, blood clotting

24

What happens if we fail to maintain homeostasis?

It is the basis for disease

25

Which organ system is not concerned with homeostasis?

Reproductive system

26

How do we maintain boundaries between the internal and external environments at the cellular and organismal levels?

-

27

superior

towards the head

28

inferior

away from the head

29

anterior

towards the front of the body

30

posterior

towards the back of the body