Digestive System
What is the bolus?
Ground up food mixed with saliva.
What are the 3 tubes in the respiratory tract?
pharynx, larynx, and trachea (and bronchi)
What are the parts of the circulatory system?
the heart and blood vessels
arteries, veins, blood capillaries
Which part of the excretory system can you control?
The bladder
Name the 2 types of food intolerance?
Lactose and gluten intolerance
Where are nutrients absorbed and where do they enter the blood system?
The small intestine
What is the process of inhalation?
1. air with oxygen enters through the nose and mouth
2. we breathe in and the diaphragm moves down to let air enter the lungs
What do capillaries do?
They connect the veins and the arteries
What is sweat?
It is an excretory function, liquid rich in water, salts, and waste products.
Name 3 diseases that affect the digestive system
Cavities, diarrhoea, gastroenteritis, constipation
In which parts of the digestive tract do the digestive glands release their juice?
Stomach and small intestine
What organ carries air to the lungs?
Bronchi
Do veins carry blood towards or away from the heart?
towards
What tasks do the ureters perform?
it carries urine from the kidneys to the bladder.
Name 3 food groups that are essential for a healthy diet?
Proteins, fruits, vegetables, carbohydrates
Which is the longest organ in the digestive tract?
the small intestine
What is the process of exhalation?
1. relax the respiratory muscles and lungs get smaller
2. the air with carbon dioxide is pushed out of the lungs into the respiratory tract
3. the air exits through the nose and mouth
Do arteries carry blood towards or away from the heart?
away
What is the function of the kidneys?
They filter blood and extract waste products mixed with water and salt
Name 2 ways to keep your heart healthy
Have a healthy diet, remain calm, do physical exercise
Name the organs that release gastric juices.
The liver and pancreas
Do the respiratory and digestive system share any parts?
the pharynx
What is a heartbeat?
A contraction of the heart
What is the process of the excretory system?
The group of organs that eliminate waste products from the body.
What is blood?
A thick red liquid that collects nutrients and oxygen to all the cells in the body (in and out)