Answer the following questions true (T) or false (F)

1. Surface barriers, such as the cutaneous and mucous membranes, provide innate immunity against pathogens.

2. Membrane-attack complexes (MAC) can lead to cell lysis through their insertion into a target cell's plasma membrane.

3. Pus indicates only that an inflammatory response took place.


1. FALSE
2. TRUE
3. TRUE

Anatomy & Physiology

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Skeletal muscles help maintain body temperature in that

A) excess myosin is quickly metabolized to yield heat. B) they conserve actin and myosin in cold weather. C) the more active they are, the more heat is released. D) the more active they are, the more heat is used up.

Anatomy & Physiology

Peristaltic waves force urine along the length of the ureter.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The vitreous humor is watery

Indicate whether the statement is true or false.

Anatomy & Physiology

What type of photoreceptors are almost entirely responsible for night vision?

What will be an ideal response?What will be an ideal response?

Anatomy & Physiology