Body Systems
What body system do we use to breathe?
The respiratory system
What is a nucleus?
It is the organelle that eukaryotes use to store their DNA.
What is potential energy?
stored energy
Name two methods of a liquid converting to a gas.
boiling and evaporation
Name the 5 senses.
touch, taste, smell, hearing and vision
Name 2 types of muscle.
Smooth, skeletal and cardiac
What organelle surrounds plant cells but animals cells lack it?
The cell wall
What is kinetic energy?
Kinetic energy is the energy of objects in motion.
gas, liquid, solid
What type of input does our ear receive?
Mechanical input
How does the circulatory system help with breathing?
RBC pick and drop off oxygen and carbon dioxide
What are the male and female part of a flower?
The stamen is male and the pistil is female.
Name 2 types of potential energy.
gravitational, elastic, chemical
In what direction does thermal energy flow?
from hot to cold
What type of input does our nose and mouth receive?
chemical input
What body system removes toxins from our bodies?
The excretory system
Name 3 methods of seed dispersal?
Humans, wind, animals and bursting
Mass and velocity
What is the term for a gas converting to a solid?
deposition
Explain how our hearing works?
Mechanical input enters our ear canal and vibrates our eardrum. These vibrations detected by hairs and the message is sent to the brain.
Name 3 body systems that are involved when we run.
Explain how a protein is made include the organelles.
DNA is transcribed into mRNA in the nucleus. The mRNA then leaves the nucleus to enter the cytoplasm. The ribosomes then translate the mRNA into protein.
If KE=1/2mv2, what is the KE of an object that is 10 kilograms in mass and has a velocity of 7 kilometers per hour? Don't forget the units.
245 joules
How does water under the ground return to the atmosphere. Use specific vocabulary.
Explain how our vision works. Use details and vocabulary.
Electromagnetic input enters our eyes through the pupil. The light is focused on the retina by the lens. The rods and cones send information to the visual cortex at the back of our brains.