Organization of the Body

Question 1

What is homeostasis?

Answer 1

Homeostasis is the balance between the body and the environment.

Question 2

Living things perform many complex chemical activities, which are known as what?

Answer 2

Ecosystems.

Question 3

Cells are specialized. They group together to form _____. A functional group of these is called an _____. A number of these may work together in a _____. A group of organs work together in one of the _____ of the body.

Answer 3

Tissues, Organ, System, Systems.

Question 4

What part of the cell determines what comes in and out of the cell? Is where digested food is “burned” to release energy for your activities? “Directs” most cell activities, contains DNA?

Answer 4

Membrane. Mitochondria. Nucleus.

Question 5

Diffusion is the process by which many molecules enter or leave a cell, whereas water enters or leaves through what?

Answer 5

Osmosis.