What does the term natural selection mean?
Definition: Organisims who have adapted to their environment survive and have offspring; Those who have not, don't.
The liver is responsible for producing stomach bile (acid). True or false?
True.
What main organs are responsibe for absorbing oxygen from the air into the bloodstream?
The Lungs.
What muscular organ acts as a pump to push blood through the entire body?
The Heart.
Which system provides structure, protects internal organs, and works with muscles to allow movement?
The Skeletal System.
What is one way peppers have adapted to better to survive in their environment?
They developed a high spice level to ward of predators.
Small intestine.
What is the dome-shaped muscle located below the lungs that contracts and moves downward when you breathe in?
The Diaphram.
Which type of blood vessels carries oxygen-rich blood throughout the body?
The Arteries.
Muscles work by pulling on bones. Can muscles push bones?
No.
What is an example of a behavioural adaptation we learned about?
Answers will vary.
What organ absorbs water and forms solid waste before it leaves the body?
Large intestine.
What is the gas that human lungs take in from the air, and what gas is exhaled as waste for plants to reabsorb?
Take in oxygen; Exhale carbon dioxide,
Which type of blood vessel carries blood back toward the heart?
The Veins.
What tough tissue attaches muscles to bones?
The Tendons.
False.
Which muscle-lined tube uses wave-like contractions (called peristalsis) to move food from the mouth to the stomach?
The Esophagus.
What is the common name for the trachea, the tube that carries air to your lungs?
The Windpipe.
What is the smallest blood vessels where oxygen, nutrients, and waste are exchanged between blood and body cells?
The Capillaries.
What strong, flexible connective tissue attaches bone to bone at a joint?
The Ligaments.
Why is the process of evolution necessary for biotic organisms?
As the environmnet chanmges, animals develop to better survive in their surroundings.
True of false: Digestion begins in the stomach.
False.
What are the tiny baloon-like air sacs in the lungs where gas exchange occurs?
The Alveoli.
Platelets are a component of blood which creates clots to help stop bleeding. True or false?
True.
What type of muscle is found in internal organs, such as your heart and intestines, which automatically moves without you thinking about it?
Involuntary Muscles (or smooth muscles).
BONUS: This is also scientifically called the parasympathetic system.