Provide an example of mechanical and chemical digestion
Mechanical chewing
Chemical stomach acid
How many chambers are in the human heart
4
What is the function of the respiratory system
To take in oxygen and remove CO2
What is a nutrient
the part of food used by the body to grow and survive
What is the purpose of photosynthesis
for plants to make their own food
What tube in the digestive system does the pharynx lead to?
esophagus
What are the atria
Top two chambers of the heart where blood flows in
What tube in the respiratory system does the pharynx lead to?
Trachea
Once you burn it under water it is the temperature change of 1 kg of water
What are the stomata
Small holes on the outer layer of leaves
What is the function of the Digestive System
To obtain nutrients through the food it breaks down
What are the ventricles
The bottom two chambers of the heart where blood flows out
What type of part of the body is the diaphragm
Muscle
Name 3 examples of the excretory system
Digestive system getting rid of solid waste
Urinary system getting rid of liquid waste
Sweat removing excess water and salt
Respiratory system breathing out CO2
What are the two types of Vascular tissue
Xylem and Phloem
What is peristalisis
muscle contractions that move food through the digestive tract
What is the difference between open and closed circulatory systems?
Open: brings materials to an open cavity that surrounds organs
Closed: Brings materials through vessels around an organism
What happens to the alveoli when we breathe in and out
Fill like a balloon when we breathe in and contract when we breathe out
Animals with how many chambers of hearts have lungs
3 or 4
What is the difference between Xylem, Phloem, and Vascular tissue
Vascular tissue: specialized tissue in plants that carries material
Xylem: carries water and nutrients from the roots to the rest of the plant
Phloem carries sugars from the leaves to the rest of the plants.
What systems work with the digestive system to eat food
Circulatory takes the nutrients around the rest of the body
Muscular brings the food down the esophagus
What is the difference between arteries and veins
arteries bring blood away from the heart
veins bring blood to the heart
What are the bronchi
two narrow tubes that carry air into the lungs from the trachea
What is the name of the tube at the top of the throat that leads to both the digestive and respiratory systems?
Pharynx
They do not because plants use photosynthesis to make their own sugar, and animals eat other organisms to get energy