Biology - Body systems

Artery

Carries blood away from the heart

Vein

Carries blood to the heart

Heart

Organ that pumps blood

Right atrium

Blood from body is pumped to the right ventricle

Right Ventricle

Blood is pumped from right atrium to pulmonary artery

Left atrium

Blood is pumped from pulmonary vein to left ventricle

Left ventricle

Blood is pumped from left atrium to aorta (to whole body)

Pulmonary artery

Blood is pumped from the right ventricle to the lungs

Pulmonary Vein

Blood is pumped from the lungs to the left atrium

Aorta

Blood is pumped from left ventricle to the body

Superior Vena Cava

Blood is pumped from upper body to right atrium

Inferior Vena Cava

Blood is pumped from lower body to right atrium

Arteriole

Small artey

Capillary

Smallest blood vessel

Venule

Small vein

Larynx

Voice box

Lungs

gas exchange (O2 to CO2)

Trachea

Carries air from mouth/nose to lungs

Bronchi

From the trachea is make smaller branches into the lungs

Diaphram

Separates Tthoratec cavity from abdominal cavity

Alveoli

Air sacs, gas exchange occurs here

Mouth

entrance of food; digestion begins here with saliva

Esophagus

Food travels from the mouth to stomach by muscle contractions

Liver

Makes bile and breaks up fat

Pancreas

Releases digestive enzymes and insulin

Stomach

Food from esophagus enters here

Small intestine

digestion and absorption of nutrients by villi

Large intestine

Absorption of water, waste collection

Gall Bladder

secretes bile (which was made in the liver)

Appendix / Caecum

dead - end pouch in large intestine (little purpose)

Villi (Villus)

Increases surface area of small intestine, absorbed digested foods

Kidney

Filters the blood, forms urine

Ureter

tube connection kidney to bladder

Renal artery

carries blood from the kidney

Renal vein

carries blood from the kidney to the heart

Bladder

Storage of urine (from kidneys)

Nephron

Functional unit of kidneys, where waste exchange occurs