- how many Neuron cells there are in our brain? a) 250 b) 100 billion c) 1 million A This is a required question 2. True or false: Do Neurons grow back if they ar a) Yes b) No c) It depends on when they were damaged 3. How much do you think your brain weighs? a) 0.5-1.0kgs(1.1-2.2lbs) b) 1.1-1.3kgs(2.3-2.9lbs) c) 5-6kgs(11-13lbs) 4. If a person fell and damaged their occipital lol affected? a) Taste b) Smell c) Vision d) Touch
- How does the appearance of zooplankton help stablize the climate? Zooplankton absorb carbon which lowers the levels of atmospheric carbon dioxide. Lower levels of carbon dioxide prevent global warming. Zooplankton consume and control the growth of the phytoplankton population, which helps to slow down the release of oxygen and high levels of oxygen are linked to global ice
- I A cell with two sets of chromosomes is square referred to as 2n where n is the number of sets of chromosomes
- B) Shivering and vasoconstriction C) Increased heart rate D) Increased breathing rate Scenario 2: Regulation of Blood Sugar Levels After eating a meal,blood sugar levels rise.The pancreas detects this increase and releases insulin, a hormone that facilitates the uptake of glucose by cells for energy or storage. When blood sugar levels drop the pancreas releases glucagon, which promotes the release of glucose stored in the liver back into the bloodstream. Multiple-Choice Questions: 1. What role does insulin play in blood sugar regulation? A) It raises blood sugar levels B) It helps lower blood sugar levels C) It stores glucose in the liver D) It blocks glucose uptake 2. What triggers the release of glucagon? A) High blood sugar levels B) Low blood sugar levels C) Increased insulin production D) Eating a meal 3. How does the pancreas respond to high blood sugar levels? A) It releases glucagon B) It releases insulin C) It releases water D) It stops producing hormones 4. What might happen if the body becomes resistant to insulin? A) Blood sugar levels decrease B) Elevated blood sugar levels may occur C) The pancreas will stop working D) The body will produce more insulin 5. How does the body maintain blood sugar levels during fasting? A) By releasing insulin B) By releasing glucagon C) By absorbing glucose from food D) By storing more glycogen Definition of Homeostasis: 6. Homeostasis is the process by which your body keeps its internal stable and balanced, even when Meet outside change. It's body's way of maintaining very what conditions for things to work properly, such as keeping mainingy temperature, balances fuilds and levels of nutrients. For example, when you get too hot, your body to cool down. When you're cold, your body shivers to warm up. Homeostasis helps ensure that your body's systems function well, so you can stay healthy and active! a situation where your body might experience accident in nomoriostasis. What symptore might you notice rienchow does your body try to respond to plore balance?
- What observations did Charles Darwin make about finches in the Galápagos Islands? a. The same species of finches lived on all the islands. b. Different species of finches lived on different islands. c. Various species of finches lived on just one of the islands. d. Identical species of finches lived in South America. Individuals that are well adapted to their environment will survive and produce a. fewer mutations. b. more offspring c. stronger genes. d. better traits