Hierarchy Of Structure

Question 1

What is the hierarchy of structure and what does it include?

Answer 1

organelle, cell, tissue, organ, organ system, organism

Question 2

What are the 4 types of animal tissues?

Answer 2

connective, epithelial, muscular and nervous tissue

Question 3

Describe the connective tissue and give an example of what it does.

Answer 3

Cells held together by a liquid/solid/gel matrix- structurally support and insulate other tissues and organs. Ex it connects, bone, cartilage, fat, blood

Question 4

Describe the epithelial tissue and give an example of what it does.

Answer 4

Sheets of closely packed, flat sheets of cells lining organs
Prevents dehydration and reduces friction
Ex. skin, digestive tract, lining of blood vessels ex. it covers

Question 5

Describe the muscular tissue and give an example of what it does.

Answer 5

Bundles of long cells that can contract (shorten)
Pull on bones/tendons to allow movement. Ex. movement

Question 6

What are the three types of Muscle tissue and what are their functions.

Answer 6

(Skeletal), Body movements

(Smooth), Lines hollow vessels (ex. blood vessels and intestines)

(Cardiac), Heart muscle

Question 7

Describe the nervous tissue and give an example of what it does.

Answer 7

They are Long, thin cells with fine branches. Neurons conduct electrical impulses and allow for communication within the body
Ex. nerves, brain it sends signals