BODY ORGANIZATION

Question 1

Cells

Answer 1

Basic Units of life

Question 2

Cell membrane

Answer 2

Outer thin permeable layer - substances can pass thru

Question 3

Cytoplasm

Answer 3

liquid containing cell structures

Question 4

Nucleus

Answer 4

Contains chromosomes (DNA)

Question 5

Organization from smallest to largest

Answer 5

**Cells: Smallest living unit in body
**Tissues: similar cells form together as tissues
**Organ: Two or more tissue types form organs
**Organ systems: Group of organs working together to complete tasks

Question 6

CELL-TISSUE-ORGAN-ORGAN SYSTEMS

Answer 6

Organization

Question 7

4 TYPES OF TISSUES

Answer 7

1) EPHITHELIAL (skin)
2) Nervous
3) Muscle
4) Connection (Blood is connective)

Question 8

ORGAN SYSTEMS

Question 9

Integumentary

Answer 9

Skin and accessory orgains (Hair)

Question 10

Skeletal

Answer 10

Bones and joints

Question 11

Muscular

Answer 11

Muscles and connecting structures

Question 12

Lymphatic

Answer 12

Lymph nodes, spleen

Question 13

Respiratory

Answer 13

Lungs and Airways

Question 14

Digestive

Answer 14

Mouth, esophagus, stomach, intestines

Question 15

Nervous

Answer 15

Brain, spinal cord and nerves

Question 16

Endocrine

Answer 16

Glands (secrete hormones)

Question 17

Cardiovascular

Answer 17

heart and blood vessels

Question 18

Urinary

Answer 18

Kidneys, bladder

Question 19

Reproductive

Answer 19

ovaries, uterus, vagina, testes, penis

Question 21

Cells to tissues

Answer 21

Tissues to organs
organ to organ system

Question 22

DNA

Answer 22

molecule that carriers genetic instruction in all living things

Question 23

Gene

Answer 23

a portion of DNA tha determines body traits (dominant and recessive)

Question 24

Heredity

Answer 24

Transfer of genetic traits from parents to child

Question 25

Chromosomes

Answer 25

46 total
22 pairs + one pair of sex chromosomes = 46
xy - male
xx - female

Question 26

EPITHELIAL TISSUE 1 of 4

Answer 26

Protects against pathogens
secretes enzymes
absorbs nutrients
Covers body and most organs

Question 27

Nervous tissue 2 of 4

Answer 27

in brain, spinal cord, peripheral nerves
sends impulsses to nerve endings/ muscles and glands

Question 28

Muscle Tissue 3 of 4

Answer 28

Contracts and relaxes

Question 29

Skeletal muscle tissue

Answer 29

Attached to skeleton

Question 30

Striated muscle tissue

Answer 30

lines in between

Question 31

Voluntary muscle tissue

Answer 31

no striations, smooth is in walls of hollow organs, blood vessels and dermis of skin

Question 32

Involuntary muscle tissue

Answer 32

cardiac muscle located in wall of heart

Question 33

Connective tissue 4 of 4

Answer 33

Supports, protects and gives structure to other tissues and organs
stores FAT
repairs damaged tissue
moves nutrients between tissue and organs
Most abundant

Question 34

Blood composed of

Answer 34

RBC, WBC, platelets and plasma