Review chapter 4 Organ Systems
What is the job of the circulatory system?
Move blood through the body
What is the job of blood?
carry food, oxygen, water to cells 2. remove waste from cell
the respiratory system? What is the job of the respiratory system?
bring oxygen to the blood remove waste gas (carbon dioxide)
How do the circulatory and respiratory systems work together?
We talk about them together because the respiratory system brings oxygen to the blood and the circulatory system moves the blood through the body.
What is the job of the excretory system?
it removes liquid waste from the body
What is the job of the digestive system?
it breaks down food
What is the job of the nervous system?
it is the master control of the body
What are the five senses? (Not the body parts.)
sight hearing smell taste touch
What is the job of the skeletal system?
supports the body protects body organs
What is the job of the muscular system?
it allows the organism to move
How do the skeletal and muscular systems work together?
Muscles are attached to the bones so when the muscle moves the bones automatically do also.
What is metamorphosis?
a change in body form
What is meant by an organisms life cycle?
the stages of growth and change
of a life cycle (in order)? What are the stages of a life cycle (in order)?
birth growth reproduction death
What is meant by an organisms life span?
how long a living thing is expected to live
What do scientists think decides a life span?
Scientists aren’t sure, they think it might have to do with cell division
What is the making of offspring called?
reproduction
What is it called when a bud forms, falls off, and becomes a new animal?
budding
What is it called when a new animal develops from just a part of the animal?
regeneration
What is the joining of egg and sperm called?
fertilization
1. What is the female cell? 2. What is the male cell?
egg sperm
What is heredity?
passing of traits from parents to offspring
What is camoflage?
blending in due to color
What are traits to help an animal survive called?
adaptations
1. gills/fins 2. fur 3. legs 4. neck 5. shell 6. trunk 7. bright colors How do these adaptations help animals?
swim and breathe underwater blending in a warmth running fast get food other animals can’t protect soft body parts grasp things attract a mate
What is mimicry?
one organism imitates another
butterfly and the Viceroy How are the Monarch butterfly and the Viceroy an example of mimicry?
The Viceroy looks like the Monarch which tastes bad to predators.
What are some examples of relexes?
increased breathing when scared eye blinking shivering increased breathing when scared
What are some examples of instinct?
spinning a web building a nest
What are some examples of migration?
birds fly south salmon to lay eggs