ISSA Ch. 2

Question 0

Levels of organization in the human body

Answer 0

Atoms
Molecules 
Organelles
Cells 
Tissue 
Organ
Body system 
Organism

Question 1

98% of the human body is made up of what chemicals?

Answer 1

Oxygen 
Carbon
Hydrogen 
Nitrogen 
Calcium 
Phosphate

Question 2

Major cellular components

Answer 2

Plasma membrane 
Nucleus 
Ribosomes 
Endoplasmic Reticulum 
Golgi Apparatus 
Lysosome 
Mitochondria

Question 3

Plasma membrane

Answer 3

Aka cell membrane
Mostly proteins and phospholipid bilayer
Made up of fatty acid

Question 4

Nucleus

Answer 4

Control center of cell 
Cell within a cell
Houses chromosomes (2 sets of 23)
Initiates cell division 
Much more complex

Question 5

DNA

Answer 5

Deoxyribonucleic Acid
Strands of DNA form chromosomes
Double helix structure

Question 6

Ribosomes

Answer 6

Small, spherical organelles made of protein and RNA
Most numerous cell organelle
Functions in pairs
Perform various kinds of alchemy

Question 7

Endoplasmic reticulum

Answer 7

Network of intercellular canals
Rough and smooth parts
Rough=ribosomes attached

Question 8

Golgi apparatus

Answer 8

Stacks of tiny, oblong sacs near nucleus

Question 9

Lysosomes

Answer 9

Garbage men

Catabolize debris

Question 10

Mitochondria

Answer 10

Powerhouse of cell

Helps make ATP

Question 11

Four basic groups of tissues

Answer 11

Epithelial
Connective
Muscle
Nervous

Question 12

Epithelial

Answer 12

Continuous external layer over the whole body (skin)

Question 13

Connective tissue

Answer 13

Cartilage
Bone
Tendons
Ligaments

Question 14

Types of cartilage

Answer 14

Elastic
Fibrous
Hyaline

Question 15

Types of nervous tissue

Answer 15

Neurons
Neuroglia
Neurosecretory

Question 16

The eleven body systems

Answer 16

Integumentary system (skin)
Muscular system 
Skeletal system 
Nervous system 
Endocrine system 
Cardiovascular system 
Lymphatic system 
Respiratory System 
Digestive System 
Urinary system
Reproductive system