Body Systems

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_____ are tiny air sacs through which oxygen and carbon dioxide pass in and out of the bloodstream.

alveoli

The undigested substances are passed out of the body through the

anus

The ________ is the body's main artery.

aorta

A blood vessel that takes oxygen-rich blood away from the heart.

artery

When does a human life begin?

at the moment of conception

The remaining amounts of water, vitamins, and minerals are absorbed in the

bloodstream

Air is passed from the trachea into the lungs through two large tubes called

bronchi

Exhalation removes more ________ from the body than inhalation brought in.

carbon dioxide

Skeletal and smooth muscles move when nerve impulses, sent from the ________, stimulate the muscle fibers, telling them to either contract or relax.

central nervous system

A space or room within the heart.

chamber

The respiratory system works with the ____________ system to add oxygen to the blood and remove carbon dioxide from the body.

circulatory

The beginning of life, the beginning of pregnancy

conception

The _____ is the inner layer of skin, which contains blood vessels, sweat glands, hair follicles, and nerve cells.

dermis

The ___________ system prepares food for absorption into the bloodstream.

digestive

A sudden surge of energy in one direction.

electrical impulse

The _________ system regulates the body's metabolism, growth, and functions of the sexual organs.

endocrine

The _____ is the outer layer of the skin, which makes the body water-proof, gives it color, and helps to maintain hydration levels.

epidermis

The pharynx forms the food substance into balls and then pushes it into the

esophagus

Movements occur when the appendicular skeleton works independently of the muscular system.

false

The only function of the skeletal system is to provide the body with a framework.

false

The appendicular skeleton consists of the skull, spine, ribs, and sternum.

false: arms, hands, pelvis, feet

There are 206 tendons that make up the skeletal system.

false: bones

The human heart is divided into _____ chambers.

four

An organ or group of cells that secretes a chemical substance of the body

gland

The endocrine system consists of ______ that secrete _______ into the bloodstream.

glands hormones

The _______ is the main organ of the circulatory system.

heart

A chemical substance produced by the glands of he endocrine system in order to control specific tissues and organs

hormone

Your _____ defends the body against harm.

immune system

According to the text, what is the function of the male reproductive organs?

initiator

Not controlled by will

involuntary

________ muscles move without conscious control.

involuntary

The __________ remove excess water, salts, uric acids, and chemicals from the blood.

kidneys

The main organs of the excretory system are the

kidneys

The ____________________ prevents food or liquids from getting into the lungs.

larynx

Carbon dioxide is removed from the bloodstream by the _______

lungs

The main organ of the respiratory system is the

lungs

white blood cells that produce antibodies

lymphocytes

The nervous system is made up of the central and ______ nervous systems.

peripheral

After the food has been chewed and lubricated, it is pushed by the tongue into the___________.

pharynx

The ________ gland controls and regulates all other glands, and it secretes growth hormones.

pituitary

Having to do with the lungs.

pulmonary

The _______ circulation brings carbon dioxide-filled blood to the lungs.

pulmonary

The left side of the heart performs the _____ circulation.

pulmonary

______ blood cells bring oxygen to cells and take carbon dioxide away.

red

The ____ channels the waste-filled blood to the excretory system

renal artery

The ___________ secretes salts, acids, and enzymes, which continue the breakdown of proteins, fats, and carbohydrates.

small intestine

Types of involuntary muscles:

smooth and cardiac

While in the _________ , food is broken down by powerful acids and turned into chyme.

stomach

The integumentary system protects the body and internal organs from:

sunlight bacteria injury

The _______ excrete(s) excess salts and water.

sweat glands

Having to do with the entire body.

systemic

The _______ circulation disperses oxygen-rich blood throughout the body.

systemic

The circulatory system is divided into two main parts, the _______ circulation and the pulmonary circulation.

systemic

What is the main purpose of the nervous system?

to gather, store, and respond to information

The axial skeleton protects the body's vital organs.

true

The _______ stores the waste until it is ready to be expelled from the body.

urinary bladder

Nutrients are absorbed into the bloodstream through small finger-like nodules on the wall of the intestines called .

villi

Skeletal muscles are controlled

voluntarily

controlled by will

voluntary

As air passes through the nose, it is _____ and cleaned.

warmed

The union of the male gamete and the female gamete

Fertilization

The muscular system is composed of approximately _____ skeletal muscles.

600

destroys bacterium in the bloodstream

Antibodies

_____ transfer waste-filled blood from tissues into the pulmonary circulation.

Capillaries

Exhalation occurs when the ________________ relaxes, causing the lungs to contract.

Diaphragm

defends your body from any organisms that threaten the destruction of cells

Immune system

glands that filter harmful bacteria from the lymphatic system

Lymph nodes

a system of vessels that are responsible for the removal of bacteria from the bloodstream

Lymphatic system

Describe God's involvement in the creation of every person.

Psalm 139:13-16

What is the function of the female reproductive organs?

Recievers and carriers


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