Blood
what are red blood cells?
carry nutrients and proteins around the body>
How many sides is the heart divided into
2 sides.
What is the job of the Viens?
to carry blood to the heart.
What can cause high blood pressure
Existing or fearful situations
how does oxygen move from the lungs to the bloodstream?
a process called diffusion makes sure that when u inhale the oxygen enters tiny air sacks and pass through them
what are white blood cells
cells that collect oxygen and take it to the rest of the body
what happens when oxygen leaves the heart?
travels through the body to help other cells
What is the job of the arteries
Carry blood away from the heart
what is the normal resting heart rate for an adult?
60 to 100 beats per minute
how do nutrients from food enter the bloodstream?
they go into the small intestine and pass through walls that lead to the caperllaries
what are platelets?
defence team that take care of germs and other things like that.
what is the main question of the heart?
muscular organ that pumps blood around the body
whats the difference in there structure
arteries have thick muscular walls, while veins are thinner walls but larger lumen
what are the risks of high blood pressure?
health problems
how do oxygen and nutrients enter body cells?
they travel through arteries and then into smaller capillaries were htey diffuse into body cells
what is plasma
things that clump together and keep the body from releasing to much blood
how many chambers does the heart hae
4
why do veins have valves?
to ensure one way blood flow
how can u lower blood pressure?
living a calm and healthy life
what happens to waste products?
Cells released waste products like carbon dioxide and metabolic waste into the bloodstream
how many blood types are there
8
whats the difference between veins and arteries
arteries carry oxygen-rich blood away from the heart. Veins carry oxygen-poor to the blood
why do veins and arteries have their color?
arteries appere red because they carry oxygen-rich blood, and veins are blue becuase of the way light affects the skin
how does dehydration affect high blood pressure and heart rate?
there is less fluid in the blood stream
what role do the circulatory and the respiratory system play in the oxygen and nutrient movement?
the respiratory system brings oxygen into the body and removes carbon dioxide while the circulatory system transport oxygen and nutrients to the cells and Carries away waste