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Body Systems Test
Skeletal, muscular, circulatory, respiratory, digestive and excretory system
39
Science
7th Grade
12/04/2012

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Cards

Term
List the 5 functions of the skeletal system
Definition

Movement

Structure and Support

Protection of Vital Organs

Storage of Minerals until needed by the body

Making Blood cells

Term
What is the main function of the muscular system?
Definition
Enables movement
Term
What are the two main systems that work together to help us move?
Definition
Skeletal and muscular
Term
List the 3 functions of the circulatory system.
Definition

Carry needed materials to the body cells

Remove waste from the body cells

Fight Infection

Term

What is the function of the following blood vessels?

Arteries- ?

Veins- ?

Capillaries- ?

Definition

Arteries – Carry blood away from the heart

Veins – Carry blood to the heart

Capillaries – gas and nutrient exchange

Term
What causes the opening of the heart valves?
Definition
Contraction of the heart muscle
Term
Why does a person’s heart rate change?
Definition
It changes due to the body's change in need of oxygen
Term
For blood to return to the heart from the extremities it must over come the force of ________.
Definition
Gravity
Term
Red blood cells work to carry both nutrients and oxygen to the cells and carry waste products from the cells. This is an example of which two body systems working together?
Definition
Circulatory and Respiratory
Term
________help the body to control bleeding.
Definition
Platelets
Term
What is the function of white blood cells?
Definition
Fight infection
Term
What are the two functions of the respiratory system?
Definition

Bring oxygen into the body

Remove Carbon Dioxide from the body

Term
What is the large, dome-shaped muscle that plays an important role in breathing called?
Definition
Diaphragm
Term
The three main functions of the digestive system are
Definition

Digestion

Absorption

Elimination

Term
______ is the type of digestion where food is torn into smaller pieces.
Definition
Mechanical Digestion
Term
________ is the type of digestion where food is dissolved by saliva and gastric juices.
Definition
Chemical Digestion
Term
Digestion involves ____ & ____ changes to food.
Definition
Chemical and Physical
Term
_______ is the main type of energy transfer involved in digestion.
Definition
Chemical to thermal
Term
__________ is the process that moves food through the esophagus.
Definition
Paristalsis
Term
______ allow the small intestines to absorb large amounts of nutrients.
Definition
Villi
Term
Most chemical digestion occurs in the _______.
Definition
Small intestines
Term
_____ & ______ are the two main places that digestion occurs
Definition

Stomach,

Small intestines

Term
List what happens in each part of the digestive system- mouth
Definition

Chewing,

chemical and mechanical digestion

Term
List what happens in each part of the digestive system. Esophagus-
Definition
Takes food from the mouth to the stomach
Term
List what happens in each part of the digestive system. Stomach-
Definition
Churns food - Chemical and Mechanical Digestion
Term
List what happens in each part of the digestive system. Small Intestine-
Definition
Chemical Digestion and absorption of nutrients
Term
List what happens in each part of the digestive system. Large intestine-
Definition
Absorption of water
Term
List what happens in each part of the digestive system. Rectum-
Definition
Prepares wastes for elimination
Term
List what happens in each part of the digestive system. Anus-
Definition
Waste is eliminated from the body
Term
Why is the muscular structure of the stomach important?
Definition
Enables the stomach to churn to break food up into smaller pieces
Term
What is the function of the excretory system?
Definition
Removes liquid waste from the body
Term
What is the function of the kidneys?
Definition
Filter the blood
Term
_________ are the main organ of excretion.
Definition
The Kidneys
Term
Other organs of excretion are ____, ____, and _____.
Definition

skin

liver

lungs

Term
List the order in which materials flow through the excretory system.
Definition

Kidneys,

ureters,

urinary bladder,

urethra

Term
______ is the process by which water enters and leaves the cells.
Definition
Osmosis
Term
________ is the process by which an organism’s internal environment is kept stable in spite of changes in the external environment.
Definition
Homeostasis
Term

List the bodies most likely reaction to the following situations:

A)being too hot - __________

B)being too cold- __________

C)being sick – ____________

Definition

A)sweating

B)shivering

C)running a fever

Term
Homeostasis is a form of _________ feedback.
Definition
negative
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