Vocabulary
What is a cell?
The smallest unit of life.
What part of the cell is where cellular respiration takes place?
Mitochondria
Which body system is responsible for BREATHING?
Respiratory
The smallest level of organization; the stuff that all matter is made of
atom
What is the law of conservation of matter?
Matter cannot be created or destroyed, but it can be rearranged.
What is energy?
The ability to make things move or change.
What are two parts of a cell that a PLANT cell has that an animal cell does not?
chloroplast, cell wall
Which body system allows you to break food into smaller and smaller pieces that release energy to your body?
Digestive
the smallest unit of life
cell
Give an example of a stimulus and response.
Answers will vary-
You hear a loud noise (stimulus) and you scream (response).
You touch a hot stove (stimulus) and you yank your hand off the stove (response).
The sun shines on a plant (stimulus) and the plant grows towards the sun (response).
What does the word multicellular mean?
Made of two or more cells.
What is the name of the structure that surrounds the cell that lets substances in and out of the cell?
Cell Membrane
Which body system includes your brain, spinal chord, and nerve cells?
Nervous System
Put these in order from SMALLEST to LARGEST:
organ, tissue, cell, organelle, molecule, atom, organ system, organism
atom, molecule, organelle, cell, tissue, organ, organ system, organism
What is the building block of a protein?
Amino Acids
What does the word unicellular mean?
Made of only one cell.
What is the "brain" of the cell?
Nucleus
How would your respiratory system AND circulatory system be involved in going for a run? Be specific.
Your respiratory system would allow you to bring in oxygen by breathing through your mouth/nose. This oxygen is necessary to power your cells through cellular respiration. Your circulatory system is involved because the heart pumps the blood, which carries the oxygen brought in by the respiratory system, to the rest of the body.
A group of cells working together for a particular purpose
Tissue
The body's use of molecules for energy and growth is called
Metabolism
Distinguish between a stimulus and a response.
A stimulus is something is a change in an organism's environment that causes it to react; a response is the reaction.
What does the chloroplast do in a plant cell?
It is where photosynthesis occurs; where sunlight, water, and carbon dioxide are converted into glucose and oxygen
What are the parts of the circulatory system?
Heart & blood vessels
Name 3 body systems.
Circulatory, Respiratory, Nervous, Digestive...
What does the statement "matter is conserved during a chemical reaction" mean?
It means matter is never created or destroyed; the total amount stays the same (is "conserved") even as the atoms are rearranged