Circulatory System
what is a circulatory system
transports materials around the body through the blood
what is respiration system
exchanges gases like o2 and co2
where does digestion start
in the mouth
what is the endocrine system
breaks down and absorbs nutrients like glucose
what is digestive needed for
breaks down food for nutrients
What is the muscle that pumps blood to the rest of the body
Heart
what is breathing
the physical process where you inhale and exhale air in and out of your lungs
what is the digestive system
a series of organs that breaks down food and liquids so the body can use them for energy
how many endocrine glands are there in a human body
eight
what is stimuli
a thing or event that evokes a specific functional reaction in an organ or tissue
what materials does blood transport to cell
glucose and oxygen
what does O2 do
O2 diffuses in the blood and carries throughout the body through the circulatory system.
how does food move through your digestive tract
by a process called peristalsis
What does hormone do in our body
affect everything from blood sugar to blood pressure, growth and fertility, metabolism, and even sleep.
what is the function of the nervous system
to sense and respond to stimuli inside and outside the body.
___ is the liquid part of blood that is made of water, salts, and proteins.
plasma
what exchange happens in the alveolus through the process of diffusion.
what does the liver do to help digestion
makes a digestive juice called bile that helps digest fats and some vitamins
What are 3 things the endocrine system does
producing hormones that control growth, metabolism, and reproduction.
how is the central nervous system protected
by the bone
how do these glucose and oxygen enter the cells
these materials diffuse from the blood, through the cell membrane and into the cell.
what do you do with any wastes like carbon oxygen
needs to be excreted diffuse into the blood
which organ absorbs water
The small intestine and large intestine
What part of the brain controls the thyroid
The hypothalamus and pituitary gland in the brain control the thyroid gland.
what are 3 things in the nervous system
brain spinal cord and nerves