Week 1 - Introduction

Question 1

Homeostasis?

Answer 1

All body systems work together to maintain a stable internal environment

Question 2

Negative feedback

Answer 2

Body brought back into homeostasis

Question 3

Positive feedback

Answer 3

Body is moved away from homeostasis

Question 4

3 homeostatic regulatory mechanisms?

Answer 4

Receptor, control center, effector

Question 5

3 types of muscle tissue

Answer 5

Skeletal, cardiac, smooth

Question 6

4 types of tissue

Answer 6

Epithelial, connective, muscle, nervous

Question 7

Define membrane potential

Answer 7

When positive and negative charges are separated, a potential difference is created

Question 8

Cytoskeleton

Answer 8

Provide strength

Question 9

Ribosomes

Answer 9

Synthesis proteins

Question 10

Endoplasmic reticulum

Answer 10

Synthesis of proteins, carbs, lipids

Transportation

Question 11

Golgi apparatus

Answer 11

Modifies and packages secretions

Question 12

Lysosomes

Answer 12

Destroy bacteria

Question 13

Mitochondria

Answer 13

Produce energy by ATP

Question 14

Nucleus

Answer 14

Controls the cell

Question 15

Define osmosis

Answer 15

Diffusion of water from one solution to another solution that contains a higher solute concentration

Question 16

Define diffusion

Answer 16

Net movement of a substance from area of higher concentration to area of a lower concentration