What is the main job of our digestive system?
Break down food for energy.
What is the main organ in the circulatory system and respiratory system?
Heart- circulatory.
Lungs- respiratory.
What is the main function of the excretory system, and what are they?
To remove waste: Feces, Urine, CO2, sweat.
List one voluntary and involuntary muscle.
bicep and heart.
What are the two main parts of the nervous system?
What does our body need from food to function properly?
Carbs, proteins, fats, and salts.
What does the word pulmonary mean?
Lungs
List the three layers of skin from top to bottom.
Epidermis, Dermis, Fatty layer.
How many bones are in the human body?
206
What does your backbone protect and why is it important?
Protects your spinal cord, it is important because that is the pathway for your messages/impulses to get sent through.
What is the liquid food in our stomach called?
Chyme
What are the three types of blood vessel.
Capillaries
Veins
Arteries
Tell me the path of urine leaving the body.
Kidneys, Ureter, bladder, urethra.
Why do we need our skeletal system?
protects vital organs, allows for movement, blood cells form, and stores minerals.
What is the main job of the endocrine system?
secrete hormones
What are villi?
tiny finger like structures in small intestines that absorb nutrients.
Alveoli
List all 5 Senses
What are the 5 taste buds?
Seeing, hearing, smelling, tasting, feeling.
Bitter, Sour, Salty, Sweet, Unami
Give me an example of Cartlidge and joints.
Cartilage- nose or ears
Joints- knees, hips, ribs
What is the feedback loop?
When glands secrete hormones, the cells will let them know if they need more or less hormones.
What does all of our undigested food turn into?
Feces
What is the function of:
Red blood cells
White blood cells
Platelets
RBC- hemoglobin- oxygen
WBC- fights germs
Platelets- clots blood
What type of messages does our skin receive?
Heat, cold, pressure, pain.
What attaches our muscles to our bones?
tendons
What is a neuron?
Nerve cell