Organs and Organ Systems

Question 1

Examples of organs

Answer 1

Heart, kidney, brain, root, stem

Question 2

What 3 tissues are the stomach made up of and what do they do?

Answer 2

Muscular tissue to churn contents

Glandular tissue to produce digestive juices

Epithelial to cover the outside and the inside of the stomach

Question 3

Name the plant organs

Answer 3

Root
Stem
Leaf

Question 4

Function of root

Answer 4

Absorbs minerals and water from the soil

Question 5

Function of stem

Answer 5

Transports water and minerals from the roots and glucose from the leaves

Question 6

Function of a leaf

Answer 6

Photosynthesis which is the process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.

Question 7

What 3 tissues are the stem made up of and what do they do

Answer 7

Vascular tissue 
Xylem tissues to transport water 
Phloem vessels to transport sugars 
Cambium to form new cells 
Structural tissue: epidermis, cortex and pith

Question 8

What is a organ

Answer 8

An organ is a structure made up of a group of tissues, working together to perform specific functions.
One organ may contain several different types of tissues
An organ is a relatively independent part of the body that carries out one or more special functions

Question 9

What are organ systems

Answer 9

Organ systems are groups of organs with related functions, that work together to perform body functions.
The digestive system is an example where in mammals exchange substances with the environment.

Question 10

Name all the organ systems

Answer 10

The endocrine system
The cardiovascular system
The reproductive system
The respiratory system 
The nervous system

Question 11

Name the plant organ systems

Answer 11

The shoot system

The root system

Question 12

What does the endocrine system do and what organs does it use

Answer 12

Function - produces hormones

Uses many different glands throughout the body eg. Pancreas, ovaries

Question 13

What does the cardiovascular system do and what organs does it use

Answer 13

Function - transports blood around the body

Uses heart, arteries, veins and capillaries

Question 14

What does the reproductive system do and what organs does it use

Answer 14

Function - produce offspring

Organs used =

Females:      Males:
Uterus          Penis
Ovaries        Testes
Oviducts
Vagina

Question 15

What does the respiratory system do and what organs does it use

Answer 15

Function - exchange of gases in and out the blood

Organs used include:
Nasal cavity     Diaphragm 
Trachea            Ribs
Bronchi            Intercostal muscles
Bronchioles     Alveoli

Question 16

What does the nervous system do and what organs does it use

Answer 16

Function - transmits messages around the body

Organs used include:
Muscles  
Brain 
Spinal cord
Nerves

Question 17

Functions and characteristics of the shoot system

Answer 17

Characteristics :
Above ground (usually)
Elevates the plant above the soil

Functions:
Photosynthesis
Reproduction
Dispersal
Food and water conduction

Question 18

Functions and characteristics of the root system

Answer 18

Characteristics:
Underground (usually)
Anchor the plant in the soil

Functions:
Absorb water and nutrients
Conduct water and nutrients
Food storage