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The Digestive System
Circulatory system
Classification and Needs of Living Things
Respiratory & Excretory System
Random
100
To maintain cardiovascular health. Foods high in fat should be avoided because....
They cause atherosclerosis
100
Which component of blood carries oxygen to the blood cells?
Red blood cells
100
A change in the organisms surroundings that causes it to react is called....
Stimuli
100
Where in the respiratory system does gas exchange occur?
Alveoli
100
Which type of muscle is found only in the heart?
Red blood cells
200
What digestive organ releases enzymes that help break down starches, proteins, and fats in the small intestine?
Pancreas
200
Which chamber of the heart pumps oxygen poor blood into the lungs?
Right Ventricle
200
Birds m-gr-t-. Finish the word.
Birds migrate
200
Which excretory organ eliminated water and some chemical waste in perspiration?
Skin
200
Which type of muscle tires easily during exercise.?
Skeletal Muscles
300
Free space. Take the value of the question and add it to your total. ✌️
Yay
300
Bronchi
Which parts of the respiratory system divide into smaller and smaller tubes in a pattern that resembles a branch of a tree?
300
Each alveolus is surrounded by a network of....
Capillaries
300
An animal with cold blood is called....
Ectothermic
400
Hairlike structures that line the nasal cavities and trachea are called....
Cilia
400
When blood flows into the right atrium it contains....
a little oxygen, and a lot of carbon monoxide.
400
The process by which an organisms internal environment is kept stable in spite of changes of the external environment.
Homeostasis
400
Tiny filtering structures where urine is produced in the kidneys is called....
Nephrons
400
Guess the word v_ntricl_
Ventricle
500
What happens to cause air to be exhaled from the lungs?
The diaphragm relaxes and moves up and rib muscles become relaxed, creating space.
500
The rule of the the respiratory system is to bring what substance into the body?
Oxygen
500
Energy, response, grow , develop, reproduce, and adapt
What are the characteristics of living things?
500
Food, water, air, living space, energy and what?
Environment
500
What year was Justin Bieber born?
1994