What´s the name of the process where food particles are broken down into nutrients so that they can be absorbed by blood and give energy to our body?
Digestion
Explain what the excretory system does.
It eliminates waste and excess water from the body in the form of urine.
Why do we breathe faster and deeper when we exercise?
Because our muscles work harder and need more oxygen.
Which organs are part of the excretory system?
Kidneys, ureters, bladder, urethra (urinary system) and the sweat glands.
What is urine made up of?
Stomach acid and water
Excess water and waste products
Blood and carbon dioxide
Nutrients and oxygen
The digestive system breaks down food and releases __________ into the blood.
Nutrients
What is the main function of the respiratory system?
The respiratory system takes in oxygen (that our cells need) and expels carbon dioxide.
The liquid formed by waste and excess of water is called
Urine
What are the thinnest blood vessels called?
Capillaries
What is the main function of the heart?
The heart is an organ that pumps blood all around the body.
Name the three types of blood vessels.
Arteries, veins and capillaries.
Where the urine is stored is called
Bladder
The circulatory system transports __________ and __________ to our organs, bones, brain, and muscles.
Oxygen and nutrients
What´s the very last part of the digestive system?
The rectum/anus
What´s the name of the tube where food travels down to the stomach?
Esophagus
Which blood vessels carry blood away from the heart?
Arteries
Bronchioles
Veins
Capillaries
What are the blood cells that carry oxygen and nutrients?
Red blood cells
Where does the exchange of oxygen and carbon dioxide happen in the lungs?
Brochioles
Bronchi
Alveoli
Trachea
Blood with oxygen comes out from the __________ ventricle through the largest artery called the __________.
Left, aorta
Blood with carbon dioxide flows away from the heart to the rest of the body.
False. It flows back to the heart through the veins.
True
The large intestine absorbs nutrients from the food.
False. It absorbs water, not nutrients.
True.
Order th following steps: 1️⃣ Food goes down the esophagus 2️⃣ The small intestine absorbs nutrients 3️⃣ Teeth chew food and mix it with saliva 4️⃣ The stomach breaks food into smaller pieces
3️⃣ Teeth chew food and mix it with saliva → 1️⃣ Food goes down the esophagus → 4️⃣ The stomach breaks food into smaller pieces → 2️⃣ The small intestine absorb
The blood carries
Oxygen, nutrients and carbon dioxide.
What are the parts of the circulatory system?
Heart, blood vessels and blood.
Which direction does blood travel through veins?
Towards the heart.
In the stomach food is mixed with a liquid called...
gastric juices
What´s the name for the four parts of the heart?
Chambers
The two tubes where urine travels down them are called
Ureters
Thee excretory system is made up of...
urinary system and sweat glands
Which gas is absorbed by the lungs?
Oxygen
The organ that filter and remove waste products from the blood are called
Kidneys
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