Weegy: Digestion starts in the mouth and throat with the chewing of food. The MUSCULAR system aids in this early stage of digestion.
User: Which of these is a function of the human skeleton?
A. producing insulin for the body
B. bringing oxygen into the body
C. removing waste from the body
D. providing site for blood cell production in the body
Weegy: A. producing insulin for the body
User: How are the circulatory and digestive systems related?
A. Blood vessels carry nutrients to body cells.
B. Portions of the brain control the heart rate in the body.
C. Stomach muscles are able to expand and contract.
D. The pharynx is the passageway for food and air.
Weegy: The circulatory and digestive systems are related in that: A. Blood vessels carry nutrients to body cells.
User:
How will the excretory system respond when an animal is thirsty?
A. by relaxing the striated muscles
B. by retaining body fluids
C. by absorbing heat from the digestive glands
D. by releasing hormones
Weegy: The excretory system responds when an animal is thirsty: B. by retaining body fluids.
User:
All of the following are excretory organs except the
A. skin.
B. lungs.
C. heart.
D. kidneys.
Weegy: All of the following are excretory organs except the HEART. Skin, lungs, and kidneys are excretory organs. The lungs excrete CO2. The sweat glands are homeostasis organs to regulate body temperature.
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