Word list: Internal Organs and Functions 1

Internal Organs and Functions 1

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Body - Internal Organs and Functions 1

You may be asked to talk or write about your body and health issues. On this part, you will find almost any word that is related to the human body and anatomy.

Body
Achilles tendon
Achilles tendonnoun

a tendon in the leg that attaches the muscles of the calf to the bone of the heel

adenoid
adenoidnoun

(usually plural) each of the pair of large lymphoid tissues high up in the throat and behind the nose that have to be removed if swollen

adrenaline
adrenalinenoun

a hormone produced in the body when we are angry, afraid or excited that makes the heart beat and the body react faster

anatomy
anatomynoun

the human body

antibody
antibodynoun

a blood protein produced in an immune response to any disease or infection in the body

anus
anusnoun

the ending hole of the intestines from which chemical wastes of the body are taken out

aorta
aortanoun

the main artery that carries highly oxygenated blood from the heart, which has circulated through the lungs, to the rest of the body

appendix
appendixnoun

a sack of tissue that is attached to the large intestine and is surgically removed if infected

artery
arterynoun

any of the blood vessels that carry blood from the heart to other organs

auricle
auriclenoun

(anatomy) either of the two cavities of the upper part of the heart that pass blood to the ventricles

bile
bilenoun

a greenish-yellow alkaline fluid that is produced by the liver in order to help the body absorb fats

bile duct
bile ductnoun

the tube that carries bile from the liver or the gall bladder to the first segment of the small intestine, also known as duodenum

bladder
bladdernoun

a bag-shaped organ inside the body of a person or an animal where urine is collected before being passed

blood
bloodnoun

the red liquid that the heart pumps through the body, carrying oxygen to and carbon dioxide from the tissues

bloodstream
bloodstreamnoun

the blood that circulates through the body

blood vessel
blood vesselnoun

a tube in the body in which the blood circulates

bone
bonenoun

any of the hard pieces making up the skeleton in humans and some animals

bone marrow
bone marrownoun

the soft substance that fills the cavities of bones, which is either yellowish and consists of fat cells or reddish and makes blood cells

bowel
bowelnoun

(usually plural) the tube that extends from the stomach to the anus, through which food is passed and waste is collected at its end

brain
brainnoun

the organ inside the head that controls how we think, feel and move

breath
breathnoun

the air taken into or sent out from the lungs

breathing
breathingnoun

the action of taking air into the lungs and sending it out again

canal
canalnoun

a tubular passage in the body through which air, liquid or food can pass

capillary
capillarynoun

(anatomy) any of the small and thin-walled branching blood vessels that connect the arterioles and venules

cartilage
cartilagenoun

an elastic tissue that supports or connects joints in an infant and turns into skeleton during growth

cell
cellnoun

(biology) the smallest unit of a living organism that can exist on its own, with at least one nucleus

cervix
cervixnoun

(technical) the part in a human or animal body that connects the head to the torso

circulation
circulationnoun

the flow and movement of the blood all over the body

cochlea
cochleanoun

(anatomy) a spiral cavity in the inner ear that contains sensory organs which send nerve signals to the brain in response to vibrations

colon
colonnoun

the part at the end of the bowel between the cecum and rectum

cortex
cortexnoun

the outer layer of the anterior part of the brain, called cerebrum, containing gray matter

disc
discnoun

a rounded cartilage between the spinal bones

duct
ductnoun

a tubular passage in the body through which liquid, such as tears or bile, can pass

ear canal
ear canalnoun

the passage through which sound is carried from the outer ear to the tympanic membrane

eardrum
eardrumnoun

the part in the middle ear that vibrates by sound waves and enables one to hear sounds, also known as tympanic membrane

fiber
fibernoun

any strand of nerve or muscle tissue

gall bladder
gall bladdernoun

a muscular organ next to the liver where bile is stored

ganglion
ganglionnoun

(anatomy) a mass of neurons that form a nerve center in the body outside the brain or spinal cord

gland
glandnoun

a specialized organ that secretes a particular chemical substance or produces a hormone that the body needs

gullet
gulletnoun

the duct through which food is passed from the throat to the stomach

gut
gutnoun

the lower part of the digestive tract between the stomach and the rectum

hamstring
hamstringnoun

(anatomy) one of the five tendons at the back of someone's knee

heart
heartnoun

the organ in the chest that pumps blood through the body

hemisphere
hemispherenoun

either the left or right side of the brain, or the cerebrum

hormone
hormonenoun

a chemical substance produced in the body of an animal or plant that influences growth, sex and other bodily functions

hypothalamus
hypothalamusnoun

(anatomy) a region in the central lower part of the brain that is responsible for autonomic nervous system and the release of hormones