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- 1. Multiple Choice
The human body must maintain a body temperature of 98.6 F, a blood oxygen saturation level of 95-100%, and a blood pH between 7.35-7.45. If the body maintains a balance... what is this called?
stimulus
fight or flight
homeostasis
response
- 2. Multiple Choice
When an animal is infected with a virus, the body responds by creating conditions that are not favorable for the virus. It does this by -
inhibiting the sense of balance
creating a sensation of hunger
raising the core body temperature
all of the above
- 3. Multiple Choice
What are the main functions of the human skeletal system?
to regulate the composition of body fluids by removing metabolic wastes and maintaining a balance with water
to regulate the composition of body fluids by removing metabolic wastes and retaining a balance of water, salt, and other nutrients
to support the body, protect the wastes, produce blood cells, and store calcium
to support the body, protect the organs, produce blood cells, and store calcium
- 4. Multiple Choice
A student places a plant in a dark room next to a growth lamp, while providing sufficient water and nutrients to ensure the plant’s growth and survival. The plant will likely respond by -
bending towards the lamp
shedding all of its leaves
increasing its rate of photosynthesis
wilting and eventually dying
- 5. Multiple Choice
Roots grow downward in the soil in response to -
sunlight
wind
gravity
water
- 6. Multiple Choice
3. A crocodile quietly stalks its prey, a wildebeest, drinking at a water hole. The wildebeest suddenly sees the crocodile approaching. The wildebeest’s body responds by -
increasing the heart rate
requiring more food
rapidly blinking
shedding thick fur
- 7. Multiple Choice
This body drawing shows a human body system.
What is the primary function of this body system?
the production of hormones that regulate growth and metabolism
the protection of vital organs from injury
the chemical breakdown of food into smaller pieces
the transport of nutrients, water, and oxygen to body cells
- 8. Multiple Choice
A student drew the picture of a human body system shown below. The student labeled some of the organs of the system.
The main function of this human body system is to -
chew food as it enters the mouth
trap particles that enter the nose
sense odors in the environment
exchange gases with the environment
- 9. Multiple Choice
When people run long distances, their muscles require increased amounts of oxygen. Which system is responsible for carrying this oxygen to the muscles?
respiratory
circulatory
digestive
nervous
- 10. Multiple Choice
Which system forms a protective barrier between the external environment and the internal body systems?
skeletal system
circulatory system
respiratory system
integumentary system
- 11. Multiple Choice
What are the organs of the integumentary system? Select all options that apply -
hair
skin
heart
nails
- 12. Multiple Choice
The red blood cells are a type of blood vessel that
form blood clots
help fight away infection
carries oxygen, nutrients, and waste to all parts of the body
work with melanin to control energy being release from cells using glucose
- 13. Multiple Choice
What layer of the skin hold the two glands (oil and sweat)?
Dermis
Hyperdermis
Hypodermis
Epidermis
- 14. Multiple Choice
Your ________________is a type of cartilage that is in the pharynx that prevent from entering air into the larynx.
bronchioles
alveoli sacs
epiglottis
oral & nasal cavity
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