Download Health Unit 5 Vocabulary Chapter 7:

Health
Unit 5 Vocabulary
Chapter 7:
Lesson 1:
Cells – the basic building blocks of life
Tissues – groups of similar cells that do the same kind of work
Organs – structures made up of different types of tissues that all work together
Body systems – groups of organs that perform a body function
Lesson 2:
Skeletal system – a body system consisting of bones and the tissues connecting
them
Joints– places where one bone meets another
Muscle system – all the muscles in your body
Lesson 3:
Digestion – the process by which your body breaks down food into small nutrient
particles
Digestive system – the body system that controls the digestion process
Excretory system – gets rid of the wastes your body produces and also maintains
fluid balance
Lesson 4:
Circulatory system – allows the body to move blood to and from tissues
Heart – the muscle that acts as the pump for the circulatory system
Blood pressure – force of blood pushing against the blood vessel walls
Respiratory system – enables you to breathe
Lungs – the main organs of the respiratory system
Diaphragm – a large muscle at the bottom of the chest
Nervous system – the control and communication system of the body
Neurons – cells that carry electrical messages
Spinal cord – a tube of neurons that runs along the spine
Health
Unit 5 Vocabulary
Chapter 8:
Lesson 1:
Adolescence – the period between childhood and adulthood
Endocrine system – a body system containing glands that regulate growth and
other important activities
Puberty – the time when you start developing physical characteristics of adults of
your gender
Lesson 2:
Reproductive system – a body system that makes it possible to create offspring
Egg cell– the female reproductive cell
Fertilization – the joining of a female egg cell with a male reproductive cell
Menstruation – blood, tissue and the unfertilized egg flow out of the body
Sperm – the male reproductive cells
Lesson 3:
Chromosomes – tiny strands of matter that carry the codes for inherited traits
Genes – the basic units of heredity
Fetus – a developing, unborn baby from the eighth week until birth
Prenatal care – special care to ensure that the mother and her baby remain
healthy