All 8 body systems

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Name all 8 body systems

Skeletal, Muscular, Circulatory, Respiratory, Digestive, Excretory, Nervous and Homeostasis & Endocrine System

What are the 3 types of muscle?

Skeletal, Smooth and Muscular

What do you call contractions of smooth muscle in digestive system?

Perastalsis

Where do you find the smooth muscle?

In your organs

Where do you find the cardiac muscle?

In your heart

Where do you find the skeletal muscle?

around your bones

What types of muscles are under voluntary control?

Skeletal Muscles

Which types of muscles are under involuntary control?

Smooth and Cardiac Muscles

How do your skeletal muscles work?

The flexors contract to bend a joint while the extensors allow a joint to straighten

What is a tendon?

Strong connective tissue

Name the four main types of joints

Pivot, Gliding, Hinge, and Ball & Socket joint

Example of a Pivot joint

neck

Example of a Gliding Joint

Wrist

Example of a Hinge Joint

Knee

Example of Ball & Socket Joint

Shoulders or hips

What are ligaments?

They join the joints together. Also bones are attached by ligaments.

What are 5 functions of the Skeletal system?

To support the body and give it shape To work with the muscles to move To protect your internal organs To store fat and other minerals To make blood cells

What is the basic unit of the Nervous System?

To recieve information also it controls functions and responses.

What are the parts of the Neuron?

Dandrites, Cell Body, Axon, Myelin Sheeth, and Axon Tips

Synapse

space between two neurons

Neurotransmitters

chemicals that transmit information from one neuron to another

3 parts of the Brain

cerebrum, cerebellum, and brainstem

Function of the Cerebrum

Cordinates thinking, learning, creativity, the 5 senses, memory, education, problem solving, decisions, language, communication, and body movements.

Function of the Cerebellum

Coordination of movement, fine movement, balance, position sense (proprioception) and integration of sensory input.

Function of the Brain Stem

Connects brain to spinal cord. Cordinates involuntary actions.

What cells make up antibodies?

White blood cells

Order the way the air enters the body

Nose -> Pharnyx -> Trachea -> Bronchus -> Bronchial Tubes -> Bronchioles -> Alveoli

Epiglottis

Prevents food from entering the trachea

Why does the trachea have rings of cartliage around it?

For Protection

Gas Exchange

After air enters and alveolus , oxygen passes throught the wall of the alveolus and then throught the capillary wall into the blood . Carbon dioxide and water pass from the blood into the alveoli

Difference between breathing and respiration

Respiration is the chemical process

Atrium is located in ______

Upper 2 chambers

Ventricles are located in ____

Lower 2 chambers

3 blood vessels

Arteries, Capillaries, and Veins

Structures that seprate the chambers of the heart

Septum and Valves

What is the Aorta? Vein Cava?

Aorta is the largest artery. Vein Cava is the largest vein.

Difference between arteries and veins

Arteries carry blood away while veins carry blood to the heart

Way the food enters and passes through

Mouth -> Esophagus -> Stomach -> Small intestines -> Large Intestine -> Rectum -> Anus

3 main functions of the Digestive System

Digestion, Absorption, and Excretion

Peristalsis

involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system

Villi

Small fingerlike projections on the walls of the small intestines that increase surface area

4 organs found in excretory system

Kidney, Ureter, Bladder, Urethra

Kidney

organ that removes urea, excess water, and other waste products from the blood and passes them to the ureter

Ureter

tube that carries urine from the kidney to the urinary bladder

Urinary Bladder

Stores urine until elimination

Urethra

tube that carries urine from the bladder and releases it from the body; in males, tube through which semen is released from the body

Nephron

tiny filtering unit of the kidney

4 OTHER Excretory Organs

Rectum, liver, skin, and lungs

Function of the Endocrine System

help regulate and coordinate body systems

Hormones

chemical "messengers" of the endocrine system that are released into the blood

5 major glands

Pituitary, Parathyroid, Thyroid, Thymus, Adrenal

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