What do we call the variety of different living things, like plants, animals, and microorganisms, that live in a certain area?
What is biodiversity?
What is the first part of the digestive system where food enters?
What is the mouth?
What is the name of the organ we use to breathe in air?
What are the lungs?
What type of muscle is found in the heart and pumps blood throughout the body?
What is the cardiac muscle?
What is the main organ that pumps blood throughout the body?
What is the heart?
True or False: Biodiversity is important because it helps ecosystems stay healthy and balanced.
True
True or False: The stomach’s main job is to chew food.
What is False? (The stomach breaks down food with acids and enzymes, not by chewing.)
True or False: The respiratory system helps supply our body with oxygen and removes carbon dioxide.
What is true?
hese types of muscles work without us thinking about it, like those that help us breathe or digest food. What are they called?
What are smooth muscles?
True or False: The circulatory system carries oxygen and nutrients to all parts of the body.
What is true?
Name one thing that humans can do to protect biodiversity in our local environment.
What is planting native plants, reducing pollution, or creating protected areas?
This long, coiled organ is where most nutrients are absorbed into the bloodstream. What is it called?
What is the small intestine?
What is the name of the muscle located below the lungs that helps us breathe by contracting and relaxing?
What is the diaphragm?
What do we call the point where two or more bones meet, allowing movement in the body?
What are joints?
These are blood vessels that carry blood away from the heart to the rest of the body. What are they called?
What are arteries?
This type of species is very important because if it disappears, many other species would be affected.
What is a keystone species?
This organ produces bile, which helps break down fats. It is the largest internal organ in the body.
What is the liver?
Air enters the body through the nose or mouth and then travels down this tube before reaching the lungs.
What is the trachea (windpipe)?
The human body has how many bones on average?
What is 206?
These tiny blood vessels connect arteries and veins and allow the exchange of oxygen, nutrients, and waste between blood and tissues.
What are capillaries?
When a habitat loses many of its plants and animals, it’s often due to changes caused by humans. What is this called?
What is habitat destruction?
After nutrients are absorbed, the leftover waste passes into this section of the digestive system before being eliminated from the body.
What is the large intestine?
The tiny air sacs in the lungs where oxygen is exchanged for carbon dioxide are called what?
What are alveoli
These are the soft tissues that pull on bones to help our bodies move. What are they called?
What are muscles?
This part of the blood helps fight infections and keeps our immune system strong.
What are white blood cells?