Intro to the Human body Flashcards
1
Q
A group of molecules working together toward a common function:
A
organelle
2
Q
the smallest chemical unit:
A
atom
3
Q
the four basic tissues:
A
muscle
nervous
epithelial
connective
4
Q
in positive feedback, the initial stimulus produces a response that:
A
exaggerates the stimulus
5
Q
the smallest living units in the body are:
A
cells
6
Q
a group of organelles working together is called:
A
a cell
7
Q
the level of organization that reflects the interactions between organ systems is the
A
organism
8
Q
regarding homeostatic control mechanisms, the ______ carries out instructions.
A
effector
9
Q
The mediastinum:
a. contains the abdominal cavity
b. separates the pleural cavities
c. contains the pericardial cavities
d. a & b
e. b & c
A
e. separates the pleural cavities & contains the pericardial cavities
