the amount of energy needed to raise the temperature of 1 kg of water 1 degree Celsius
100
How many bones in the human body?
206
100
What is a jelly-like fluid in which organelles float?
Cytoplasm
200
What are blood vessels that carry blood back to the heart called?
veins
200
Fill in the blank
In both lungs and body tissues, gases pass by a process called ________ which is when molecules move from areas of high to low concentration.
diffusion
200
What are two examples of foods that contain fiber?
cereal, bean, breads, vegetables, apples, and pears
200
what joint that lies between the skull and the neck vertebra?
pivot
200
What is the site of fat and sugar digestion in the cell; produces energy;
Mitochondrion
300
Wha is the largest artery in the human body?
the aorta
300
what is the other name for trachea?
wind pipe
300
what is a scientific word for fats?
lipids
300
what type of joint that is in the shoulder?
ball-and-socket
300
What is the small structure that functions in protein assembly?
Ribosome
400
What do veins carry?
deoxygenated blood
400
Fill in the blank
The part that is between the nasal cavity and the larynx is the _________ .
pharynx
400
How much body weight does water make up?
60%
400
what is a tough membrane that covers the outside of a bone?
periosteum
400
What is a sac that stores and transports ingested materials, waste products, and water?
Vacuole
500
What are the two upper chambers of the heart?
left and right atrium
500
The cartilage flap that tilts over the entrance to the larynx to prevent food from entering the trachea is the ________.
a. pharynx
b. primary bronchus
c. epiglottis
d. alveoli
c. epiglottis
500
What are minerals?
inorganic parts that take place in many chemical reactions
500
what is the scientific/medical term for "collarbone"
clavicle
500
What is the cell's control centre, containing chromatic and most of the cell's DNA?