Virus and Body Systems

What is used to treat bacterial infections?

• antibiotics

• anxiolytics

• antidepressants

• antivirals

Which human body systems interact to break down and supply food/nutrients to all the body cells?

• digestive and muscular

• digestive and circulatory

• digestive and endocrine

• digestive and integumentary

Tags

NGSS.MS-LS1-7

Which two body systems must interact for organisms to exchange oxygen and carbon dioxide?

• skeletal system and muscular system

• excretory system and reproductive system

• circulatory system an respiratory system

• digestive system and immune system

The ability to maintain a stable environment (balance) inside the body is known as

• a cell

• Movement

• Homeostasis

• growth

Organ systems work together to maintain homeostasis.

• True

• False

Tags

NGSS.MS-LS1-3

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Tags

NGSS.MS-LS1-7

Enzymes need certain environmental conditions in order to function properly.  What happens when enzymes are heated to a high temperature?

• they die
• they denature (change shape)
• they change their amino acid sequence
• they work better

The optimal pH for Trypsin is:

• 1.5

• 5

• 7.3

• 8.2

The goal of a feedback loop is to put the body back into _____________

• imbalance

• instability

• homeostasis
• inequality

Tags

NGSS.HS-LS1-3

Why are viruses considered non-living?

• because they need a host to reproduce

• because they don't have their own DNA

• they are zombies