Yeast
What gas do we exhale during cellular respiration?
CO2, Carbon Dioxide
Where do we get the nutrients we need for exercise?
The foods we eat
What is the primary energy source for the body?
Glucose
What is the main way the body cools itself when it gets too hot?
Sweat
What is osmosis?
When water follows salt/solute
What does yeast use as food to produce energy?
Sugar, Glucose
What direction do the veins go in the body?
Towards the heart
What hormone lowers blood glucose levels by helping cells absorb sugar?
Insulin
What is the normal body temperature in Fahrenheit and Celsius?
98.6F and 37C
What happens to onion cells if placed in saltwater?
They shrink because water leaves the cells.
What gas do we inhale during cellular respiration and where does it come from?
O2 (Oxygen) from the atmosphere, trees and/or enviroment
What direction does the arteries go in the body?
Away from the heart
What organ is responsible for producing hormones that regulate sugar levels?
The pancreas
What is thermoregulation?
It's your body's ability to maintain a stable temperature
What happens to onion cells in pure water?
They swell because water enters the cells.
What is one way yeast cells are similar to human cells?
Both use glucose and oxygen to make energy
What acid causes muscles to feel tired after exercise?
A buildup of lactic acid.
What happen once you consume a sugary drink?
Blood glucose levels spike and increase
Why does your body shiver when you're cold?
To generate heat and maintain normal core temperature
What is the main job of the kidneys?
To filter waste and maintain water balance.
Why do scientist use yeast to study cellular respiration?
Yeast is simple, easy to grow, safe for experimenting and/or their processes are similar to human cells
What does the circulatory system do to support the muscles during exercise?
By delivering oxygen and glucose and removing carbon dioxide and waste.
Why is it important for the body to regulate glucose levels?
To provide a balance of sugar in the body, to avoid damage to cells and/or avoid future illnesses/diseases
What happens to your blood vessels when your body is too hot?
They widen to release heat
How does osmosis help the body maintain homeostasis?
It regulates water movement to keep cells balanced.