Unit 1 Assignment 2: Anatomy And Physiology Flashcards
The human body is composed of trillions of?
Cells
What surrounds each cell?
Cell membrane
Cells contain a _____ and _____?
Cell membrane, cytoplasm
Cytoplasm
Fluid- like substance contained within the cell membrane, the nucleus not included.
Organelle
A structure that performs a specific function within a cell.
Most cells contain a nucleus. Notable exception?
Red blood cell
Nucleus
The organelle within a cell that functions as its brain, regulating its production of protein
Organ
A group of tissues that works together to perform a specified bodily function. Stomach
Cell
The basic structural unit of the body
Contract
To draw together
DNA
Acronym for deoxyribonucleic acid; the genetic “blueprint” that determines the cell’s purpose and function.
Tissue
A group of cells that have the same purpose
System
Organs working together to perform a specific bodily function
How does the nucleus govern the cell’s production of substances?
By means of its DNA
DNA contains information that determines what?
The cell’s purpose and function
When cells divide they pass on a copy of?
DNA
Cells can be grouped into _____ types:
4, epithelial, muscular, connective, nerve
Epithelial cells
Regulate body temperature, secrete lubricants, and protect body from harmful substances. Skin and stomach lining.
Muscular cells
Work together to form muscles, providing movement.
Connective cells
Form tissues and fluids that connect parts of the body. Tendons, blood, and fat are made of connective cells.
Nerve cells
Form the nervous tissue which sends messages from the brain to the rest of the body.
Something isn’t really inside your body unless?
It is absorbed
Digestion begins in _____ and ends in _____
Mouth, large intestine
How many systems make up the human body?
11
