L-Unit 9 Animal Systems

T or F. Viruses require a host cell, while cells reproduce independently.

• True

• False

Crystal started feeling nausea, had runny stool, and severe abdominal cramping within 24-72 hours of being exposed to the adenovirus (Stomach virus). What type of viral reproduction does this represent?

• Lytic

• Lysogenic

SARS COV2(Corona virus) use their spiky surface made of protein and injects its viral DNA into a healthy host. What conclusion can you make about its reproduction process?

• It does not reproduce at all

• It requires a host cell to reproduce

• It relies on other viruses to reproduce

• It can reproduce outside of living cells

Select all photos of a virus.

• 
• 
• 
• 

Ruben was bitten by a mosquito and started scratching the area of the bite uncontrollably. Which two systems are working together in response to the skin irritation?

• Integumentary and Nervous

• Skeletal and Endocrine

• Circulatory and respiratory

• Digestive and muscular

Which answer explains the relationship between the female reproductive and endocrine system?

• To control the gas coming in and out of the body

• To respond to receptors of hunger cues

• To release hormones that prepare the uterus for menstrual activity

Blood has an important role of getting oxygen and nutrients from the lungs to the tissues throughout the body. Which body system is responsible for this process?

• Respiratory

• Integumentary

• Circulatory

• Muscular

Which body systems work together to protect the body from pathogens?

• Endocrine and reproductive

• Muscular and skeletal

• Immune and circulatory

• Nervous and digestive

Which two body systems work together to supply the body with oxygen and dispose of carbon dioxide? [choose 2]

• Circulatory

• Muscular

• Respiratory

• Nervous

Which two body systems work together to process movement? [choose 2]

• Digestive

• Reproductive

• Skeletal

• Muscular