3 years ago

In response to a stimulus such as touch, a human neuron sends a signal to the brain using

Biology

1 answer:

shutvik [7]3 years ago

7 0

A nerve impulse? via the central nervous system? not sure

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Why is it important that in the early growth seedlings respond to geotropism?

Zina [86]

Answer:

Root geotropism provides multiple advantages to a plant's vitality and survival

Explanation:

5 0

3 years ago

What tissue has lacunae, calcium salts, and blood vessels? Select one: a. fibrocartilaginous tissue b. areolar tissue c. bone (o

kipiarov [429]

Answer:

c. bone (osseous tissue)

Explanation:

The extracellular matrix of the bone tissue consists of an organic component and an inorganic component.

The organic component includes Collagen , proteoglycans and glycoprotiens, While the inorganic component contains calcium and phopsphorus. The cells are present in the lacunae situated betwen the lamellae and contain a number of oblong spaces.

It also contains blood vessels as a typical long bons is supplied by a nutrient artery , periosteal vessels and epiphyseal arteries.

Hence C is the right answer.