Levels of Organization
What's the smallest unit of life?
(Atom / Cell / Organism)
A cell!
What does it mean for the body to maintain homeostasis?
To maintain the right levels/ balanced levels
What is the organ system that breaks down food called?
Digestive System
What is the function of White Blood Cells?
To protect you against disease!
In what city did Ms. Bolnick go to high school?
In the Bronx!
What is another name for living things?
Organisms
What are 2-3 things we learned about that the body needs to keep at homeostasis in the body?
Temperature, water levels, and glucose levels.
What's the organ system that removes waste (like urine) called?
Excretory System
What are pathogens?
Viruses / bacteria (anything that can cause disease)
What pet does Ms. Molina own??
Name at least 3 different organ systems
Respiratory / Circulatory / Digestive / Immune / Endocrine / Excretory / Reproductive / Nervous
Name a disease that disrupts blood-glucose homeostasis and explain how it does so.
Disease: Diabetes
Explanation: Patients with Diabetes can't produce insulin, so they can't have glucose enter their cells. Instead all their glucose remains in the blood, and their blood sugar levels get too high!
What's the organ system that transports nutrients through the blood?
Circulatory System
What are the identifying name-tags on cells called?
Antigens
What country is Ms. Molina from?
Ecuador!!
List the following things in size-order from smallest to largest:
tissue, cell, organism, organ, and organ system
cell --> tissue --> organ --> organ system --> organism
What is the difference between a negative and positive feedback loop?
Negative loops try and return the body to normal levels, but positive feedback loops keep pushing until there's a change
How do the respiratory system and the circulatory system respond to exercise?
Respiratory System increases your breathing so you can get more oxygen (to make more ATP)
Circulatory System increases your pulse rate so you can bring oxygen to your cells faster (to make more ATP)
1. What is the most important characteristic about an antibody that makes sure it is specific to one pathogen?
2. This means that it's a _______________ (carb / lipid / protein)
1. Its shape!
2. A protein!
Ms. Bolnick wanted to be a teacher since she was ____ years-old
5 years old!
Name at least 4 organelles in a cell and state their function
Nucleus - the control center, Ribosome - makes proteins, Cell Membrane - lets molecules in/out, Cell Wall - provides structure and protection to plant cells, Mitochondria - makes ATP energy, Chloroplast - does photosynthesis for plant cells
Can you name 2 ways that plants maintain homeostasis?
-They can lean toward the sun in Phototropism
-They can lean toward water in Hydrotropism
What is the function of the Endocrine System?
To make hormones to send chemical messages throughout your body
Do we want the medicine (immunosuppresents) that we give organ transplant receivers to increase or decrease the immune response?
Why?
Decrease the immune response
Because we don't want their immune system to attack the new organ
True or False: Ms. Molina got the new class beetles from the sewers behind her house...
Mwahahaha we will never tell!