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35:18
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19:30
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18:58
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63
22:45
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72
34:11
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89
58:08
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23
15:23
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89
58:54
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89
58:54
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66
44:00
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33
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18
15:04
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49
36:33
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44
16:23
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35
30:47
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39
15:13
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23
12:09
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Prof. Raffi Hovasapian
43
23:37
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Prof. Raffi Hovasapian
34
23:32
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30
26:33
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13
9:36
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24
16:21
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34
35:20
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Prof. Raffi Hovasapian
70
60:26
Biochemistry
Prof. Raffi Hovasapian
63
46:39
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Dr. Laurie Starkey, Ph.D.
42
54:03
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Dr. Laurie Starkey, Ph.D.
16
17:07
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Prof. Raffi Hovasapian
93
67:52
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34
22:46
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92
24:35
AP Physics C: Mechanics
Prof. Dan Fullerton, M.S.
29
15:28
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Prof. Dan Fullerton, M.S.
26
14:27
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Dr. Radi Jishi, Ph.D.
35
86:03
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Dr. Radi Jishi, Ph.D.
40
48:11
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Dr. Radi Jishi, Ph.D.
32
41:08
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34
12:36
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California Regents
69
21:01
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Prof. Bryan Cardella, M.Ed.
27
19:01
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Prof. Bryan Cardella, M.Ed.
37
24:56
AP Biology
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60
55:40
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Prof. Bryan Cardella, M.Ed.
29
23:21
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44
20:01
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14
14:49
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Prof. Michael Wheeler
31
12:04
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Charles Schallhorn, M.Ed.
68
39:04
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Prof. Jibin Park
26
16:17
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Prof. Jibin Park
27
16:51
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21
17:17
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63
48:20
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Prof. Ronald Schooler
70
37:05
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9:14
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30
6:49
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22
11:24
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18
8:36
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16
9:20
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16
12:30
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23
12:20
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10
5:30
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25
12:34
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10
5:54
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42
22:47
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47
23:43
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59
23:49
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26:29
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33
8:43
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10
5:14
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15
4:34
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33
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10
5:14
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28
5:46
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152
22:32
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132
18:50
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Prof. Michael Brown (Adobe Certified)
59
19:21
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Prof. Candyce Mairs (Adobe Certified)
55
6:55
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Chris Grover
66
6:10
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52
5:25
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20
7:31
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29
15:25
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15
6:36
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38
4:15
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40
4:55
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8:55
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28
6:01
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Prof. Joel Gonzaga
32
11:18
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10
2:28
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Prof. Rebekah Hendershot
28
6:38
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Prof. Rebekah Hendershot
35
18:14
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Prof. Rebekah Hendershot
17
7:16
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Prof. Joel Gonzaga
29
7:13
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18
9:58
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AP Studio Art 2-D
Jessica Spinella
21
3:46
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20
9:31
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Prof. Laura Ryan, M.A.
27
10:56
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Dr. Cory Hills
29
7:22
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Duration
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AP (Advanced Placement)
AP US History
Prof. Elizabeth Turro
63
48:20
AP World History
Prof. Ronald Schooler
70
37:05
AP US Government
Prof. Jibin Park
21
17:17
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Prof. Jibin Park
26
16:17
AP Macroeconomics
Prof. Jibin Park
27
16:51
AP Language and Composition
Prof. Rebekah Hendershot
28
6:38
AP English Literature & Composition
Prof. Rebekah Hendershot
35
18:14
AP Studio Art 2-D
Jessica Spinella
21
3:46
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Prof. Patricia Ponce de Leon
18
9:58
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Prof. Vincent Selhorst-Jones
25
12:24
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Prof. Rebekah Hendershot
16
3:18
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Prof. Charlotte Vilkus
29
5:49
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Prof. Rebekah Hendershot
9
2:31
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Prof. Charlotte Vilkus
26
6:08
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AP Psychology
Charles Schallhorn, M.Ed.
68
39:04
AP Biology
Dr. Carleen Eaton, M.D.
60
55:40
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Prof. Raffi Hovasapian
70
60:26
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Prof. Dan Fullerton, M.S.
92
24:35
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Dr. Radi Jishi, Ph.D.
35
86:03
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Prof. Dan Fullerton, M.S.
29
15:28
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Prof. Dan Fullerton, M.S.
26
14:27
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Dr. Radi Jishi, Ph.D.
40
48:11
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Dr. Radi Jishi, Ph.D.
32
41:08
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Prof. Tom Quayle, M.S.
25
12:34
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Prof. Bryan Cardella, M.Ed.
29
23:21
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Prof. Raffi Hovasapian
66
44:00
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Prof. John Zhu, M.B.A.
33
8:39
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Prof. Sandahl Nelson
18
15:04
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Biology The Endocrine System

Section 9: Nervous System and Internal Controls : Lecture 4 | 19:24 min

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The Endocrine System

From early in embryonic development, our body has to respond to its internal and external environments. The levels of the solutes in our blood must be regulated. We must continually respond to nerve signals triggered by events occurring around us.
One way our body responds is through chemical signals called hormones. Hormones are secreted by the endocrine glands.
In this Lesson, we'll look at some vertebrate endocrine glands. We'll introduce the glands and discuss the hormones secreted by each gland. We'll also see how hormones work together to maintain homeostasis.

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