Biological Hierarchy

Question 1

what is a cell?

Answer 1

microscopic, self-replicating, structural and functional unit of the body that performs many different jobs. include cytoplasm, organelles, nuclei, and membrane

Question 2

tissues are what? what are the four types?

Answer 2

collection of cells that all perform a similar function
-connective, epithelial, muscular, nervous

Question 3

connective tissue

Answer 3

-includes bones, ligaments, cartilage- support, separate or connect the body’s various organs and tissues

Question 4

epithelial tissue

Answer 4

-thin layers of cells that line blood vessels, body cavities and some organs

Question 5

muscular tissue

Answer 5

contains contractile units that pull on connective tissues to create movement

Question 6

nervous tissue

Answer 6

make up the peripheral nervous systems that transmit impulses throughout the body

Question 7

what are organs?

Answer 7

they are a collection of tissues within the body that shares a similar function

Question 8

organ systems are?

Answer 8

a group of organs that work together to perform a similar function

Question 9

ventral vs dorsal

Answer 9

towards the front vs towards the back