Digestive system
The organ where digestion begins.
Mouth
The organ that pumps blood.
Heart
The main organ of respiration.
Lungs
The basic unit of a muscle
Fibre
The system that brings oxygen to the blood and the system that signals to do so.
Respiratory and nervous
The acid found in the stomach.
HCl
The blood vessels that carry blood away from the heart
Arteries
The tube that connects the throat to the lungs.
Trachea
The hard connective tissue making up the skeleton
Bone
The system that delivers nutrients to cells and gets messages to do so.
Circulatory and nervous
This organ produces bile juice which helps in digestion.
Liver
The protein in red blood cells that carries oxygen.
.Hemoglobin
The small air sacs for gas exchange.
Alveoli
The tissue connecting muscle to bone.
Tendon
The system that breaks down food into usable forms and distributes it
Digestive circulatory
The site of most nutrient absorption.
Small Intestine
The top chambers of the heart.
Auricle OR Atria
The muscle that controls breathing.
Diaphragm
The type of tissue in joint.
cartilage
The system that brings oxygenated blood and nutrients and the system that used this to produce energy to workout.
Circulatory and Musculoskeletal
The wave-like muscle contractions that move food are caused by
Smooth muscles
The node that acts as the heart’s pacemaker or starter of contractions.
SA node
The blood vessel trough which gas exchange occurs in lungs
Capillaries
The inner core of bone that makes blood cells.
Bone marrow
The system that controls the rate of breathing
Nervous and Respiratory