space, cells, and human body systems. 1. earth’s atmosphere- ◦ what would happen if earth’s...
TRANSCRIPT
Third Quarter CBA Review
Space, Cells, and Human Body Systems
1. Earth’s Atmosphere-
◦What would happen if Earth’s atmosphere was NOT made up of 20% Oxygen?
Space
Most of the time kids say that we could still support small mammals or a small population, but this is WRONG!
Most, if any at all, living organisms would not survive. Living organisms that depend on oxygen rely on it being in the 20% range.
Answer
2. Why does the space suit need to be insulated?
Taking your atmosphere with you into space
2. An astronaut needs to take his atmosphere with him ◦ one of the important parts of the space suit
is for insulation. It is COLD in space and a person will freeze without the space suit.
◦ He or she also needs the right breathing apparatus- a human needs to have about 20% oxygen to stay alive.
Answer
3. What are a few essential things that a space ship needs?
What does a space craft need to keep people alive?
The space craft needs:◦An Oxygen/carbon dioxide scrubber
◦Food source◦Water source◦Energy to keep the climate in a livable range
◦
Answer
1. What is the most basic unit of all living things?
2. What is the structure of a group of specialized cells that all perform the same function?
3. What is the structure that contains different types of tissue working to do a major function in the body?
The Cell and its Organelles
1. The cell
2. tissue
3. organs
Answers
4. What is the organization that uses multiple organs to do a main function in the body in order for it to maintain homeostastis?
5. List the levels of organization from Smallest to Largest.
6. give an example of each in #5
Cells and organelles, con’t.
4. Organ Systems
5. cells to tissue to organs to organ systems
6. Cells – nerve cell, muscle cell◦ Tissue- skin tissue
Organ- heart, brain, pancreas, stomachOrgan system- circulatory, respiratory, muscular, nervous
Answers
Look at the following images of plant and animal cells
Review the pictures of the cells and identify the common organelles we studied during our unit
Know what each organelle does
Talk it over as a class and review – can someone teach the class?
Organelles
Cell Organelles - Plant
Cell Organelles- Animal Cell
What organelles are only found in Plant cells?
What organelles are only found in Animal Cells?
Cells
Plant cells have ◦Cell Walls◦Large Vacuoles◦Chloroplasts
Animal Cells haveLysosomesSmall vacuoles
Answers
Where is sugar made in the plant? Where does water enter the plant?
Plants have special tissues, the xylem and phloem, that transport water and minerals through out the plant. What are these tissues similar to in animals?
Plants
Sugar is made in the leaves and water travels from the roots into the plant
The vascular system of the plant is similar to the arteries and veins in an animal.
Answer
Look over the test for the human body systems and review what each system does and what organs go with each system
Good luck on the test on Thursday
And do your very best on the writing tests on Tuesday and Wednesday- take your time!
Final thing to study