Biology countinued Flashcards
(31 cards)
Air travels through the nose or mouth and into the…
Pharynx or throat
After the pharynx/throat where does air travel to next
Larynx
what does the larynx
contains vocal cords that produce the sound
During respiration where does air enter?
Trachea branches wich go in to two different bronchi and end at alveoli
What are Aveoli surrounded by
tiny blood vessels called Callpilary networks that carry blood
How does Gas exchange occure
By difusion
When you breath in oxygen what do you breath out
Carbon dioxide
What is the Circulatory system
A system made up of blood vessels that carry blood away from and towards the heart. (transports cells)
What are some subtances the Circulatory system transports
- nutrients- glucose, vitmens mineral and water
- gases- o2 from lungs to tissue cells
- wastes and toxins
Main components of the Circulatory system
- Blood
- heart
- blood vessels
what is blood consisted of
cells- red and white blood cells
plasma-fluid apart of the blood
How many chambers in the human heart
4
what does the right atrium do
Collects blood from body and heart itself
what does the right ventricle do
Pumps blood into the lungs
What does the left atrium do
collects blood from lungs
what does the left ventricle do
pumps blood to body and heart itself
What do arteries do
Carry oxygenated blood away from the heart
What do veins do
Carry deoxygenated blood to the heart
What do capillaries do
- bring oxygen & nutrients to tissue
2. take carbon dioxide &other waste away
Name 3 organs that relase enzymes
- liver
- Gallblader
- Pancrease
Which organ absorbs nutrients
Small intestine
What is ingestion
taking in food or eating
Digestion
Physical and chemical breakdown of food.
4 things the plant cell differs from animal cell
- has cell wall
- has chloroplast
- large vacuoles
- has no centrioles
