science topic 5 Flashcards
(41 cards)
The main purpose of homeostasis is to
-fight disease causing organisms.
-keep internal conditions stable.
-produce offspring.
-replicate DNA.
keep internal conditions stable
Your body communicates using what organ system?
-endocrine system
-skeletal system
-integumentary system
-nervous system
nervous system
Your body functions are controlled by what system?
-endocrine system
-skeletal system
-integumentary system
-nervous system
nervous system
Blood vessels where exchange of materials with the cells takes place.
arteries
capillaries
veins
venules
capillaries
Blood vessels that contain valves to prevent backflow.
arteries
capillaries
veins
venules
veins
An action or change in behavior that occurs as a result of a stimulus.
nutrient
waste
stimulus
response
response
The process by which your body breaks down food into small nutrient molecules.
absorption
elimination
peristalsis
digestion
digestion
Nutrients that help your body with chemical reactions.
vitamins
minerals
all the above
none of the above
all the above
These fats are liquid at room temperature.
saturated
unsaturated
neither a nor b
both a and b
unsaturated
These fats are solid at room temperature.
saturated
unsaturated
neither a nor b
both a and b
saturated
Nutrients that are not made by the body, but are needed to carry out chemical processes. Calcium is an example of this type of nutrient.
protein
fat
vitamins
minerals
minerals
Most chemical digestion occurs in the _____.
stomach
mouth
small intestine
large intestine
small intestine
Bile is stored in a small organ called the _____.
gallbladder
liver
pancreas
kidney
gallbladder
The last section of the large intestine is called the _____.
salivary glands
pancreas
gallbladder
rectum
rectum
The part of the circulatory system that pumps blood throughout the body.
lymphatic system
digestive system
cardiovascular system
excretory system
cardiovascular system
Which heart chambers receive blood?
septum
atria
ventricles
aorta
atria
Most of the chemical digestion and nutrient absorption into the blood takes place in the _____.
mouth
stomach
small intestine
large intestine
small intestine
Which blood vessel carries blood toward the heart?
artery
capillary
vein
valve
vein
Which blood vessel carries blood away from the heart?
artery
capillary
vein
valve
artery
Which of the following is responsible for keeping blood from back flowing?
artery
capillary
vein
valve
valve
Knobs of tissue connected to lymphatic vessels responsible for filtration.
lymph
lymph vessels
lymph nodes
lymph codes
lymph nodes
Responsible for moistening the air you breathe.
nose
trachea
bronchi
alveoli
nose
Tiny thin-walled sacs of lung tissue where gasses can move between air and blood.
nose
trachea
bronchi
alveoli
alveoli
Your windpipe
nose
trachea
bronchi
alveoli
trachea