Why metabolizing cells need to be small
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Bigger cell = smaller surface area
Smaller cell = larger surface area to volume; allows metabolic processes to
happen faster
,What are the major body systems?
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1. Integumentary system/ skin - Epidermis (outer), dermis (middle),
hypodermis (inner)
- Responsible for protecting our body the internal organs from extreme
temperature changes
2. Skeletal system - Framework and support for body organs; provides
protection for internal oegans
3. Muscular system - Movement of the body
4. Nervous system -Internal communication among cells of the body
5. Digestive system -Breaks down food into smaller molecules which enter
the bloodstream through small intestines and supply the body with
nutrients
6. Endocrine system - Glands make hormones which regulate the
reproductive system and metabolism
7. Cardiovascular system - movement of blood, oxygen, and nutrients
throughout the body
8. Lymphatic system - immunity and fighting off diseases
9. Respiratory system - excretion of CO2 waste, supply blood with O2
Toward the head end or upper part of a structure (above) is what direction?
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, Superior
Anabolism
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Building more complex cellular structures from simpler ones
Define protraction and retraction
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Protraction - Movement towards the anterior direction
Retraction - Movement in the posterior direction
Why are the hands in supination?
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Because the bones of the forearm (radius/ulna) are
uncrossed in the supinated position
Give this one a try later!
Bigger cell = smaller surface area
Smaller cell = larger surface area to volume; allows metabolic processes to
happen faster
,What are the major body systems?
Give this one a try later!
1. Integumentary system/ skin - Epidermis (outer), dermis (middle),
hypodermis (inner)
- Responsible for protecting our body the internal organs from extreme
temperature changes
2. Skeletal system - Framework and support for body organs; provides
protection for internal oegans
3. Muscular system - Movement of the body
4. Nervous system -Internal communication among cells of the body
5. Digestive system -Breaks down food into smaller molecules which enter
the bloodstream through small intestines and supply the body with
nutrients
6. Endocrine system - Glands make hormones which regulate the
reproductive system and metabolism
7. Cardiovascular system - movement of blood, oxygen, and nutrients
throughout the body
8. Lymphatic system - immunity and fighting off diseases
9. Respiratory system - excretion of CO2 waste, supply blood with O2
Toward the head end or upper part of a structure (above) is what direction?
Give this one a try later!
, Superior
Anabolism
Give this one a try later!
Building more complex cellular structures from simpler ones
Define protraction and retraction
Give this one a try later!
Protraction - Movement towards the anterior direction
Retraction - Movement in the posterior direction
Why are the hands in supination?
Give this one a try later!
Because the bones of the forearm (radius/ulna) are
uncrossed in the supinated position
