Give one (1) function of the musculoskeletal system?
To provide structure, allow movement, produce boold cells, and protect the body's organs.
What are the two types of digestion?
Mechanical digestion
Chemical digestion
It is the most important gas needed by the human body during respiration.
Oxygen
These disc-shaped cells transport oxygen from the lungs to the other parts of the body.
Red blood cells
Tiny cells that send signals to the brain. They are also known as nerve cells.
Neurons
What is the outermost layer of skin, acting as a protective barrier against the external environment?
Epidermis
It is a hollow tube located behind your windpipe. It passes food and liquid from your throat to your stomach.
Esophagus
These are the microscopic sacs where oxygen and carbon dioxide exchange occurs between the lungs and the bloodstream.
Aveoli
These are a crucial part of the body's immune system, acting as the body's defense against infections and diseases.
White blood cells
It is the largest part of the brain and is responsible for many functions, including movement, speech, intelligence, emotions, and sensory perception, such as vision and hearing.
Cerebrum
It is where two or more bones connect, enabling movement in the body.
Joint
It is a long, winding tube in the digestive system, responsible for most nutrient absorption from digested food.
Small intestine
It is a hollow structure that houses the vocal cords and acts as the passageway for air between the throat.
Larynx
These are the two lower chambers of the heart that receive blood from the heart's upper chambers.
Ventricle
The peripheral nervous system is composed of?
Sensory nerve
Motor nerve
It is a spongy tissue inside bones that produces blood cells.
Red bone marrow
It is a digestive fluid produced by the liver and is responsible for breaking down fats in food.
Bile
The tube connects your voice box with the bronchi in your lungs. It is also called the windpipe.
Trachea
It is a specialized type of muscle tissue found only in the heart.
Cardiac muscle
The part of the brain is responsible for coordinating movement and balance.
Cerebellum
What are the three types of muscles?
Cardiac muscle
Smooth muscle
Skeletal muscle
It absorbs water and electrolytes from indigestible food matter and forms feces.
Large intestine
It is the primary muscle of respiration. During inspiration, it contracts and flattens, increasing the vertical diameter of the thoracic cavity.
Diaphragm
These are the upper chambers of the heart that receive blood.
Atria (singular is Atrium)
It is an involuntary and nearly instantaneous movement in response to a stimulus.
Reflex action