Cells and Human Body Study Guide
Why is the cell important to life ?
cells make up your whole body. You have seven trillion cells. Mitochondria is a major cell which produces energy throughout your body. We would probably be weak and dead withouth energy
What is the Nervous System? Main Function?
gather info from the environment and help the body react to it. Tells systems to do their function
How are animals and plants cells different and similar?
similar animal plants -nucleus -smaller vacuoles -larger vacuoles - photosynthesis (plants) -mitochondria - breathe in oxygen let go of carbon
Name the functions from less complex to most complex
(least complex) cells,tissues,organs,organ systems,(most complex)
What is a cell?
A living organism that has a special job in a human body, that can take care of your body. Inside cells are organelles that all function differently.
What is an aquired trait? 3 examples
Aquired is something you have grown up with and you have gotten from aunts or anyone really. -liking sports - singing -eating food
What are functions of the major organelles?
MAJOR' -nucleus- the boss of the cells tells the organelles what to do like the brain. (the brain of the cells) mitochondria- makes energy for the cell that is transferred throughout the body. AKA; powerhouse
What disease for each system?
Nervous-
How single-cells organized differently than multi cell organisms?ow
Single cells have no nucleus. - the can clone (exact copy) - they survive on their own and they do all the jobs. -both reproduce -both die -both have DNA
What is the excretory system? Main Function?
The excretory system eliminates toxic waste in your body. eliminates waste
Why is food important?
The food goes to the cell, mitochondria which create the food into energy which travel through your body, for you to stay strong and healthy.
What is the respiratory system? Main function?
The system where your lungs contracts and take in oxygen. Main function is taking in oxygen or breathing from the lungs
What is the Circulatory system? Main Function?
This system circulates blood through your and eliminates wastes like carbon dioxide.
What is the digestive system? Main Function?
Where food is broken down. Function: is to break down the food in our body so it is digested.
What is homeostasis
ability of an organism to maintain a constant internal environment.
What is a inherited trait? Gve 3 examples
an inherited trait is a trait where get it from our dna or genes from your parents. -eye color -hair color -if you can curl your tongue or not
