Science Chapter 2 Study Guide Cell Structure and Function

What are cells?
The structural, functional and biological unit of all organisms.

How are plant and animal cells different?
The plant cell has a cell wall and chloroplast and an animal cell does not

How are plant and animal cells alike?
They both have a nucleus and a vacule

What are the processes called where things move in or out of the cell?

How many cells did you start as? How many cells are you made up of today?
You started as one cell and now you have about over 100 trillion cells

What is a tissue?
Any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.

What are organs?
…a differentiated structure (as a heart, kidney, leaf, or stem) consisting of cells and tissues and performing some specific function in an organism

What is the circulatory system?
The system that circulates blood and lymph through the body,

What is the musculoskeletal system?
…the system of muscles and tendons and ligaments and bones and joints and associated tissues that move the body and maintain its form.

What is the nervous system?
The network of nerve cells and fibers that transmits nerve impulses between parts of the body.

What is the respiratory system?
the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing.

What is the digestive system?
the system that makes food absorbable into the body

What is the endocrine system?
the system of glands that produce endocrine secretions that help to control bodily metabolic activity.

What is the immune system?
a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic…

How does your body fight off diseases and illnesses?
The immune system

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