Weegy: After the skin is cut and a capillary wall breaks, the first step in working to form a clot is: Platelets clump at the site.
User: Washing your hands is the best way to prevent against diseases that are spread
A. by coughing and sneezing.
B. by vectors.
C. through contaminated water.
D. through the exchange of body fluids.
Weegy: Washing your hands is the best way to prevent against diseases that are spread by coughing and sneezing.
User: Unlike the somatic nervous system, the autonomic nervous system
A. regulates voluntary activities.
B. is part of the motor division of the peripheral nervous system.
C. consists of a sympathetic and parasympathetic nervous system.
D. controls movement of the skeletal muscles under conscious control.
Weegy: Antigen binds to antibodies is the primary response in humoral immunity.
User: Which one of the following accurately pairs the blood vessel type with its function?
A. Veins – carry blood away from the heart
B. Aorta – carry oxygen-poor blood only
C. Arteries – carry blood to the heart
D. Capillaries – work to exchange gases and nutrients with tissues
Weegy: Capillaries work to exchange gases and nutrients with tissues accurately pairs the blood vessel type with its function.
User: Which one of the following steps would be included in the primary response in humoral immunity?
A. Cytotoxic T cells bind to infected body cells and destroy them.
B. Helper T cells activate cytotoxic T cells.
C. A macrophage consumes a virus and displays antigens on its surface and signals helper T cells to divide.
D. Antigen binds to antibodies.
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