Muscle cells contain lots of ___ to provide energy for contracting.
mitochondria
1 of 24
Muscle cells work together to form muscle ___
Tissue
2 of 24
Define tissue
Group of cells with similar structure and function
3 of 24
Define organ
Group of tissues working together for specific function
4 of 24
An example of this is the stomach. The stomach consists m___ tissues and g__ tissues (that release enzymes)
Muscle tissues. glandular tissues
5 of 24
Oragns are grouped into o__ s__ that work together to form o__ (e.g. digestive system)
grouped into organ systems. From organisms
6 of 24
Food contains nutrients such as c__(starch), p__, l__(fats). These are all large molecules that can't be absorbed into the bloodstream, so have to be d___
Carbohydrates, protein, lipids. Digested.
7 of 24
During digestion, __ molecules are broken down into __ molecules by e___ so they can be absorbed into bloodstream.
Large broken into small by enzymes
8 of 24
How is food digested in mouth?
Chewed. Enzymes in saliva digest starch into sugar
9 of 24
Food then passes down the o___ (throat), into the stomach
Oesophagus
10 of 24
In the stomach, enzymes digest p___
Protien
11 of 24
What does the stomach contain that helps enzymes with this?
Hydraulic acid
12 of 24
How do the stomach muscles help?
Churning action helps turn food to fluid, increasing surface area that enzymes can digest
13 of 24
The fluid then passes through the ____
Small inestine
14 of 24
Chemicals are released at this point, from where?
Liver and pancrease
15 of 24
The pancrease releases enzymes that continue to digest __ and __ and start digesting ___
Digests starch and protein. Start digest lipids
16 of 24
Liver realeases ___
Bile
17 of 24
Whta does the bile do?
Speeds lipids digestion. Neutralizes stomach acid
18 of 24
The walls of intestine release __ to continue digestion of protein and lipids
Enzymes
19 of 24
In intestine, small molecules are... (absorbed by...)
Absorbed into bloodstream by diffusion or active transport
20 of 24
Fluid now goes into the large intestine, where... (water)
Water is absorbed into blood
21 of 24
And lastly, faeces is released from the body. So to summarize, in the digestive system, __ food molecules are digested into __ molecules and the products of digestion are __ into the bloodstream
Large digested to small. Products absorbed
22 of 24
The products are then used to build new c__, p__ and l__
Carbohydrates, protein, lipids
23 of 24
Some of the glucose produced is used in __
Respiration
24 of 24
Other cards in this set
Card 2
Front
Muscle cells work together to form muscle ___
Back
Tissue
Card 3
Front
Define tissue
Back
Card 4
Front
Define organ
Back
Card 5
Front
An example of this is the stomach. The stomach consists m___ tissues and g__ tissues (that release enzymes)
Comments
No comments have yet been made