Answer:
The pressure differences on either side of the valve.
Explanation:
The heart valves open and close passively because of pressure differences on either side of the valve. When pressure is greater behind the valve, the leaflets are blown open and the blood flows through the valve. However, when pressure is greater in front of the valve, the leaflets snap shut and blood flow is stopped.
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Answer:
takes place in the cytoplasm in prokaryotes and in nucleus in eukaryotes.
Explanation:
Organ system that provides protectionfor the body and maintains homeostasis. (skin, hair, nails) Madeup of Epidermis & Dermis. Theoutermost, thin layer of skin, which contains proteins and is composed of 5 smaller layers of stratified squamous.
The fundamental property of nervous tissues which related to its function of coordinating the body's activities is that it's widely connected to all areas of the body through the spine and neuronal axons in general. Nervous tissue which is found in our brain can exert its "will" and affect all parts of our body.
Answer:
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