STUDY Flashcards
What happens when blood glucose levels fall below normal?
The pancreas releases insulin.
The pancreas releases glucagon.
The pituitary gland releases insulin.
The pituitary gland releases glucagon.
The pancreas releases glucagon.
Which of these actions is likely to spread pathogens in the environment?
Cupping mouth while coughing
Touching wounds
Wiping door knobs
Washing fruits
Touching wounds
Which of the following is a part of the digestive system?
Capillary
Diaphragm
Ovary
Saliva
Saliva
Which of the following body parts has involuntary muscles?
Arm
Face
Intestine
Leg
Intestine
Which type of digestion takes place when chunks of food are physically torn into smaller pieces?
Absorption
Chemical
Elimination
Mechanical
Mechanical
Tommy is planning his science fair project. He wants to measure the rate of photosynthesis in plants that live in fresh water. Is this an example of a scientific investigation or an experiment?
An experiment because it shows a cause and effect relationship
An experiment because it does not ask a testable question
An investigation because it can be easily done in natural settings
An investigation because there is a control group
An experiment because it shows a cause and effect relationship
Which of the following is the tissue that separates the left and right sides of the heart?
Atrium
Pacemaker
Septum
Valve
Septum
A patient is suffering from tuberculosis, which is a bacterial disease. Which of the following is the correct treatment that should be given to the patient?
The patient should stop exercising.
The patient should undergo surgery.
The patient should take antibiotics.
The patient should get his DNA tested.
The patient should take antibiotics.
Which of the following is an example of a hormone?
Adrenaline
Blood
Calcium
Thyroid
Which of the following is a characteristic of a scientific experiment?
Its results always support the hypothesis.
It shows cause and effect relationships.
It is performed in nature.
It can be performed only once.
It shows cause and effect relationships.
Emma bends and straightens her arms while lifting dumbbells. Which body systems work together to make this happen?
Nervous and skeletal
Muscular and endocrine
Skeletal and muscular
Nervous and endocrine
Skeletal and muscular
If a physicist performs an experiment, who would likely try to replicate it?
The physicist himself
Other physicists
The family of the physicist
No one, because an experiment can never be replicated
Other physicists
Which of these is a characteristic of a virus?
It is generally helpful to other living things.
It is visible without a microscope.
It reproduces inside living cells.
It is able to grow and reproduce on its own.
It reproduces inside living cells.
Which of the following describes how blood helps to maintain homeostasis by working with the immune system?
By having white blood cells to attack pathogens
By delivering oxygen to cells so they can divide
By delivering nutrients from food to cells
By carrying waste to the kidneys
By having white blood cells to attack pathogens
Which heredity condition causes nerve cells to break down and die over time?
Cystic fibrosis
High blood pressure
Huntington’s disease
Sickle cell anemia
Huntington’s disease
