Difference between revisions of "Organ"

Revision as of 16:30, 10 September 2018

Key Stage 3

Meaning

An organ is a part of an organism, made of several tissues, that does a specific job.

About Organs

Organs are made of more than one different tissues that work together.

Only multicellular organisms can have organs because tissues are many of many cells.

An organ may have more than one job.

Organs in Flowering Plants

The organs may look different in different flowering plants.

This diagram shows the different organs labelled on a flowering plant.

Organs in Mammals

These are all human organs which may look different in different mammals.

The skin is an organ that protects the body from infection.	The heart is an organ that pumps blood around the body.	The lungs are a pair of organs used for gas exchange.	The eye is a sense organ used to see.

The ear is a sense organ used to hear.	The mouth is an organ is used to start digestion of food.	The oesophagus is an organ that connects the mouth to the stomach.	The stomach is an organ that digests food.

The small intestine absorbs nutrients The large intestine absorbs water The rectum stores faeces The anus holds the faeces in.	The liver is an organ used to remove toxins from the blood.	Bones are organs in the body used for support and protection.	Muscles are organs that allow the body to move.

@@ Line 8: / Line 8: @@
 : An [[organ]] may have more than one job.
-===Organs in Plants===
+===Organs in Flowering Plants===
+{| class="wikitable"
+|+ The organs may look different in different flowering plants.
+|-
+|[[File:PlantOrgans.png|center|200px]]
+|-
+| style="height:20px; width:200px; text-align:center;" |This diagram shows the different organs labelled on a flowering plant.
+|}
 ===Organs in Mammals===
-Skin
-Heart
-Lungs
-Eye
-Ear
-Mouth
-Oesophagus
-Stomach
-Small Intestine
-Large Intestine
-Rectum
-Anus
-Liver
-Bone
-Muscles
 {| class="wikitable"
+|+ These are all human organs which may look different in different mammals.
 |-
 |[[File:Skin.png|center|200px]]
@@ Line 34: / Line 27: @@
 |[[File:EyeCrossSection.png|center|200px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[skin]] is an [[organ]] that protects the body from [[infection]].
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[heart]] is an [[organ]] that pumps blood around the body.
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[lungs]] are a pair of [[organ]]s used for gas exchange.
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[eye]] is a [[sense]] [[organ]] used to see.
 |-
 |[[File:Ear.png|center|200px]]
@@ Line 44: / Line 37: @@
 |[[File:Stomach.png|center|200px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[ear]] is a [[sense]] [[organ]] used to hear.
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[mouth]] is an [[organ]] is used to start [[digestion]] of food.
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[oesophagus]] is an [[organ]] that connects the [[mouth]] to the [[stomach]].
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |The [[stomach]] is an [[organ]] that [[digestion|digests]] food.
 |-
 |[[File:Intestines.png|center|200px]]
@@ Line 54: / Line 47: @@
 |[[File:HumanMuscles.png|center|200px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |
-| style="height:20px; width:200px; text-align:center;" |Text
+*The [[Small Intestine|small intestine]] [[Absorb (Biology)|absorbs]] nutrients
-| style="height:20px; width:200px; text-align:center;" |Text
+*The [[Large Intestine|large intestine]] [[Absorb (Biology)|absorbs]] water
-| style="height:20px; width:200px; text-align:center;" |Text
+*The [[rectum]] stores [[faeces]]
+*The [[anus]] holds the [[faeces]] in.
+| style="height:20px; width:200px; text-align:center;" |The [[liver]] is an [[organ]] used to remove [[toxin]]s from the [[blood]].
+| style="height:20px; width:200px; text-align:center;" |[[Bone]]s are [[organ]]s in the body used for support and protection.
+| style="height:20px; width:200px; text-align:center;" |[[Muscle]]s are [[organ]]s that allow the body to move.
 |}