Cells, Tissues and Organs

Question 1

What is an example of an absorptive cell?

Answer 1

Epithelial cells

Question 2

Describe an epithelial cell.

Answer 2

1. Lines the surface of the small intestine
2. Absorbs food molecules from gut into bloodstream
3. Covered in microvilli
4. An absorptive cell

Question 3

What secretes secretory cells?

Answer 3

Pancreas and pituitary glands

Spleen and lymph nodes

Question 4

What is the purpose of the pancreas?

Answer 4

To regulate blood sugar levels and aid in digestion

Question 5

What is the purpose of the pituitary gland?

Answer 5

secrete hormones

Question 6

What do the spleen and lymph nodes do?

Answer 6

Make antibodies for the recognition and destruction of foreign molecules

Question 7

What do white blood cells do?

Answer 7

help fight disease

Question 8

What is the function of nerve cells?

Answer 8

To transmit electrical messages from one part of the body to another

Question 9

What is the connection between nerve cells called?

Answer 9

Synapses

Question 10

What makes up a nerve cell?

Answer 10

1. Dendrites
2. Axon
3. Beads of myelin
4. Nucleus
5. Neuron Soma (cell body)
6. Neuron

Question 11

Can nerve endings regenerate?

Answer 11

Yes, but it may take a very long time

Question 12

______ send signals to CNS

Answer 12

sensory neurons

Question 13

______ send signals away from the CNS

Answer 13

motor neurons

Question 14

What does CNS stand for?

Answer 14

Central nervous system

Question 15

Sensory neurons are for…

Answer 15

feel

Question 16

Motor neurons are for…

Answer 16

action

Question 17

What are the three types of muscle cells?

Answer 17

1. Skeletal (voluntary)
2. Cardiac
3. Smooth (involuntary)

Question 18

What is an example of a voluntary muscle?

Answer 18

Bicep - you “tell it” to do something

Question 19

Where is a cardiac muscle found?

Answer 19

The heart and only in the heart

Question 20

What are smooth muscles?

Answer 20

Organs

Question 21

What are connective tissues?

Answer 21

Tendons and Ligaments, Elastic tissues, and adipose tissues

Question 22

Where is elastic tissue?

Answer 22

Between vertebrae, artery walls and trachea

Question 23

What is adipose tissue?

Answer 23

Fat - cushions and supports vital organs and store excess food

Question 24

What composes fluid tissue?

Answer 24

Blood and lymph

Question 25

What does fluid tissue do?

Answer 25

Distribute food, carry oxygen, carry waste products and keep a constant temperature

Question 26

What are the 5 general classes of tissues

Answer 26

1. Nerve - neurons
2. Epithelial - Linings
3. Muscle - ability to contract and relax
4. Connective - fibrous tissue
5. Fluid - blood and lymph

Question 27

What is another name for red blood cells?

Answer 27

Erythrocytes

Question 28

What are erythrocytes?

Answer 28

Red blood cells

Question 29

What do erythrocytes do?

Answer 29

Transport O2 from the lung to body tissues

Question 30

What gives blood its color?

Answer 30

Hemoglobin

Question 31

What is another name for white blood cells?

Answer 31

Leukocytes

Question 32

What are leukocytes?

Answer 32

White blood cells

Question 33

What do leukocytes do?

Answer 33

Help the immune system