Topic 1: Cell Parts
- organelles - small cell parts
- cell membrane - the outer covering of the cell
- nucleus - control center of the cell
- mitochondria - convert energy from food to a form the cell can use
- cytoplasm - the jelly-like substance between the cell parts
Topic 2: Levels of organization in the body (CTOS)
- Cells - smallest unit of life
- Tissues - made of cells working together
- Organs - made of tissues working together
- Organ Systems - a group of organs working together
Topic 3: Functions of each of the body systems
- Digestive
- Circulatory
- Respiratory
- Excretory
- Endocrine
- Skeletal
- Muscular
- Reproductive
Topic 4: Organs and structures of each system
Digestive
- Circulatory
- Heart
- blood vessels: veins, arteries, capillaries
- valves keep blood from moving backward
- Respiratory
- mouth/nose
- trachea
- pharynx/larynx
- bronchi
- lungs
- alveoli - tiny air sacs where oxygen goes into the blood
- Excretory
- Urinary system: kidneys, ureters, bladder, urethra
- Skin
- Lungs
- Large intestine/rectum
- Endocrine
- glands produce hormones
- hormones control processes in the body
- Skeletal
- bones
- ligaments
- joints
- Muscular
- muscles
- tendons
- Reproductive
- female: ovaries, uterus, eggs
- male: testes, sperm
