Nicotine, tar, and tobacco are
toxic substances
The bolus then reaches _____, which produces gastric juices
the pharynx
the small intestine
the stomach
the salivary glands
All the food that a person regularly eats
balanced diet
nicotine
diet
tar
While we chew, the food mixes with the saliva produced by
the salivary glands
the stomach
the pharynx
the small intestine
Eating the right amount of each of the nutrients our body needs
balanced diet
diet
nicotine
tar
Everything we do requires:
energy
nutrients
materials
The digestive system has two parts:
The digestive tract & The helper glands
The elimination of waste and the stomach
Digestion and Absorption
The movement of muscles that allows air to travel into and out of our lungs.
Respiratory movement
It is the process of transporting oxygen and nutrients around the body in the blood.
respiratory system
circulatory system
digestive system
excretory system
What systems work together during nutrition?
The digestive, respiratory, circulatory, and excretory systems
We get energy and materials from the
digestive system
nutrients in our food
energy
This is a long tube formed of the mouth, the pharynx, the oesophagus, stomach, small intestine, and large intestine.
The elimination of waste
the helper glands
the digestive tract
The digestion process has three phases:
digestion, absorption, and elimination of waste
mouth, pharynx, and oesophagus
It is the process of obtaining oxygen from the air. We need oxygen to get energy from food.
digestive system
circulatory system
respiratory system
excretory system
The process of breaking down food into nutrients that our body can use
respiratory system
excretory system
circulatory system
digestive system
We obtain oxygen from the air through a process called:
respiration
Air enters through the
lungs
pharynx
larynx
nostrils
These are located on the chest.
pharynx
lungs
larynx
The trachea divides into two branches called
larynx
pharynx
lungs
bronchi
Digestion begins in the ________ where our teeth break down food.
pharynx
oesophagus
mouth
stomach
Nutrients are absorbed into the blood in the
the small intestine
the salivary glands
the pharynx
the stomach
It is the process of eliminating the waste produced in our body during the nutrition process
excretory system
digestive system
respiratory system
circulatory system
The chyme travels to the ________, which produces intestinal juices.
the salivary glands
the stomach
the small intestine
the pharynx