Compounds found in the environment that living organisms need to grow and survive. The 6 types are water, fat, proteins, carbohydrates, vitamins, and minerals.

A process that breaks down the foods that we eat into molecules small enough to be absorbed (taken in) by cells. It can be mechanical or chemical.

The squeezing muscle movements that move food through the digestive system.

The process of digesting (breaking down) food into small molecules by enzymes.

The physical breakdown of food into smaller pieces, by chewing, grinding, mixing.

When nutrients are taken into the cells of the body. Happens in the small intestine.

The place where mechanical AND chemical digestion begins. Mechanical: teeth cut and chop food. Chemical: enzymes in saliva start to digest starch.

The tube that leads from the mouth to the stomach.

The pouch-like muscular organ where food gets mixed with gastric juices and churned into a watery paste. Both mechanical & chemical digestion occur here.

The organ where chemical digestion occurs, followed by absorption of nutrients. This is where food completes the digestive process.

The organ where extra water is removed from the nutrient-free mixture, to be sent back to the body.

The organ where feces is stored before being removed from the body through the anus.

The hole at the end of the rectum where food exits the body.

The waste material left over after nutrients have been absorbed from food, and the extra water has been absorbed by the large intestine.

An organ made of cardiac muscle that acts as a pump to move blood around your body.

The fluid that is pumped through the circulatory system; made of plasma and special cells.

The tubes that carry blood throughout the body. The 3 types are veins, arteries and capillaries.

Another name for the circulatory system. ('cardio' is heart & 'vascular' is tubes)

White blood cells, red blood cells, plasma, platelets

Organs that take in oxygen from the air and put it into the bloodstream.

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Digest & Circ Lev 1

All the levels 1 terms you need to know for the Digestive & Circulatory Systems

Term	Definition
nutrients	Compounds found in the environment that living organisms need to grow and survive. The 6 types are water, fat, proteins, carbohydrates, vitamins, and minerals.
digestion	A process that breaks down the foods that we eat into molecules small enough to be absorbed (taken in) by cells. It can be mechanical or chemical.
peristalsis	The squeezing muscle movements that move food through the digestive system.
chemical digestion	The process of digesting (breaking down) food into small molecules by enzymes.
mechanical digestion	The physical breakdown of food into smaller pieces, by chewing, grinding, mixing.
absorption	When nutrients are taken into the cells of the body. Happens in the small intestine.
mouth	The place where mechanical AND chemical digestion begins. Mechanical: teeth cut and chop food. Chemical: enzymes in saliva start to digest starch.
esophagus	The tube that leads from the mouth to the stomach.
stomach	The pouch-like muscular organ where food gets mixed with gastric juices and churned into a watery paste. Both mechanical & chemical digestion occur here.
small intestine	The organ where chemical digestion occurs, followed by absorption of nutrients. This is where food completes the digestive process.
large intestine	The organ where extra water is removed from the nutrient-free mixture, to be sent back to the body.
rectum	The organ where feces is stored before being removed from the body through the anus.
anus	The hole at the end of the rectum where food exits the body.
feces	The waste material left over after nutrients have been absorbed from food, and the extra water has been absorbed by the large intestine.
heart	An organ made of cardiac muscle that acts as a pump to move blood around your body.
blood	The fluid that is pumped through the circulatory system; made of plasma and special cells.
blood vessel	The tubes that carry blood throughout the body. The 3 types are veins, arteries and capillaries.
cardiovascular	Another name for the circulatory system. ('cardio' is heart & 'vascular' is tubes)
4 parts of blood	White blood cells, red blood cells, plasma, platelets
lungs	Organs that take in oxygen from the air and put it into the bloodstream.

Created by: rhk9

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