1 Flashcards
The function of Respiratory System(1M)
Absorbs Oxygen and release Carbon Dioxide
What will happen if trachea is blocked? (2M)
Respiratory process will be interrupted because oxygen cannot flow in and carbon dioxide cannot flow out
What is unicellular organism?
Organism that consist of only one cell
Why is unicellular organism such as the paramecium considered as living things? 2M
Unicellular organism can carry out life processes such as movement and reproduction
Name one example of system in plants.
Transportation System
Transpiration X
Photosysthesis X
Function of blood Circulatory system
Carries useful substances such as oxygen and nutrient to all parts of the body.
Removes wastes such as carbon dioxide from the body
Function of epithelium cell
To form a layer and protect the organs in the body, also secretes mucus
What will happen if Excretory System is malfunctioned.
Excretory products such as urea will become toxic if accumulated in the body
Why is the diffusion rate for solid is so low.
Space between particles in a solid very small. They very close together
Function of mitochondria
To generate energy for reactions
Two differences between sexual reproduction and asexual reproduction
Sexual involves reproductive cells while asexual does not involve reproductive cells
Sexual involves gametes, asexual does not involve gametes
Sexual involves two parents with different sex, asexual only involves a single parent
Importance of reproduction
Increase number of organisms of the species
Transfer genetic information to new generation
Failure of an organism to reproduce can cause extinction
Differences between sperm cell and ovum cell
Sperm cell able to move, ovum cell cannot
Sperm cell produced by testis, ovum cell produced by ovary
What is an electromagnet?
Type of magnet that has temporary magnetic effect when electric current went through it
Importance of homeostasis
To maintain stable and balanced internal environment so that body can carry out metabolism activites/life processes
