Quiz 6: Unit Body system Review

a body system that controls growth and homeostasis by secreting hormones from glands.

• skeletal system
• nervous system
• endocrine sytem
• integumentary system

What is the point of a feedback loop?

• To provide the body with more energy.

• To provide the body with more food.

• To make sure the conditions in the body are always changing.

• To make sure the conditions in the body remain stable.

Homeostasis is described as when the body is

• balanced

• functioning below capacity

• functioning above capacity

• metabolising

These two body systems regulate feedback mechanisms.

• Skeletal & Muscular

• Skeletal & Endocrine

• Muscular & Nervous

• Endocrine & Nervous

What are the levels of organization starting from simple to complex?

• organelles- cells- tissues- organs- organ systems- organisms-

• organisms- organ systems- organelles- organs- tissues- cells

• cells- organs- tissues- organ systems-organelles

• organelles-tissue- cells- organs- organ systems- organisms-

Maintaining body temperature is an example of a:

• negative feedback loop
• positive feedback loop

Tags

NGSS.HS-LS1-3

detects change and sends a message to the control center

• receptor

• control center

• effector

• regulation

Which method describes a feedback mechanism that do guard cells to protect from dehydration?

• guar cells close the openings of the leaves increasing water loss

• guard cells close the openings of the leaves slowing water loss

• guard cells open the openings of the leaves increasing water loss

• guard cells open the openings of the leaves decreasing water loss

Enzymes & Hormones are similar because they need a specific shape to function.

• TRUE

• FLASE

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature
• decrease body temperature
• increase body temperature
• regulate blood pressure

Tags

NGSS.HS-LS1-3