Animal Systems: Biology lock-in

The following is an example of which two systems working together:
"The small intestine absorbs nutrients from our food and they are carried through the blood to the cells."

• Digestive and Circulatory
• Digestive and Respiratory
• Digestive and Skeletal
• Digestive and Nervous

Fill in the blanks:
"The ________ system allows us to move around, but the _________ system controls our movement."

• Skeletal, Nervous
• Nervous, Skeletal
• Muscular, Skeletal
• Nervous, Muscular

This system includes the skin, hair, and nails.

• integumentary
• nervous
• skeletal
• muscular

Which system includes the lymph, lymph nodes, white blood cells, T and B cells?

• Excretory

• Digestive

• Lymphatic/Immune

• Nervous

Which system breaks down food?

• digestive

• circulatory

• respiratory

• immune

Answer explanation

The digestive system breaks down food.

The endocrine system is responsible for

• breathing

• hormones

• blood circulation

• nerves

Answer explanation

The endocrine system is responsible for hormones, including those that make babies.

The heart pumps blood through this system.

• respiratory

• endocrine

• immune

• circulatory

Answer explanation

The heart pumps blood through the circulatory system.

Which system senses pain and sends signals to the brain and spinal cord?

• immune

• excretory

• nervous

• circulatory

Answer explanation

The nervous system senses pain and sends signals to the brain and spinal cord.

Which system provides oxygen to the organs?

• digestive

• circulatory

• respiratory

• excretory

Answer explanation

The circulatory system provides oxygen to the body.

1. Which system are the lungs in?

• respiratory
• digestive
• excretory
• muscular